酶活性单位

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow range around 37C;a departure of a few

发表于:2018-11-27 / 阅读(829) / 评论(0) 分类 新概念优美背诵短文50篇

[00:00.00]Module 5 [00:07.63]Unit 3 [00:11.00]What are they doing? [00:12.90]Activity 1 [00:15.99]Listen,point and say. [00:16.04]Where are Daming and Sam? [00:18.78]They're in the lounge. [00:20.53]Where's Mum? [00:23.17]She is in the bedroom. [00:2

发表于:2018-12-12 / 阅读(161) / 评论(0) 分类 新标准小学英语活动用书4册(一年级起点)

[00:00.00]Module 1 [00:25.00]Unit 2 [00:31.03]A is for apple. [00:34.56]Activity 2 [00:40.31]Chant. [00:48.25]A is for apple.B is for bat.C is for car.And for cat. [01:15.91]A is for apple.B is for bat.C is for car.And for cat.

发表于:2018-12-12 / 阅读(184) / 评论(0) 分类 新标准小学英语活动用书3册(一年级起点)

Unit 2 What should I do? [00:05.59]Section A [00:07.74]1b [00:10.67]Listen and circle the problems [00:12.99]you hear in activity 1a. [00:15.03] [00:16.78]You look unhappy.What's wrong? [00:19.99]Oh.My clothes are out of style. [00:23.95]I don't look

发表于:2018-12-13 / 阅读(206) / 评论(0) 分类 新目标初中英语八年级下册

Unit 7 What does he look like? [00:12.23]SECTION A Activity 1b.Listen and fill in the blanks in the picture above. [00:35.11]Activity 2a.Listen and circle is or has below. [01:25.81]Activity 2b.Listen again.Fill in the chart. [02:16.83]Activity 3a.Re

发表于:2018-12-13 / 阅读(350) / 评论(0) 分类 新目标初中英语七年级

Unit 9 It's raining! ECTION A Activity 1b. [00:07.44]Listen and write these city names in the boxes above. [00:58.85]Activity 2a.Listen.Number[1-4]the pictures as you hear them. [01:50.86]Activity 2b.Listen again.Match the names with the activities.

发表于:2018-12-13 / 阅读(349) / 评论(0) 分类 新目标初中英语七年级

Unit 10 Where did you go on vacation? SECTION A [00:13.14]Activity 1b.Listen.Number the people in the picture [1-5] [00:56.14]Activity 2a.Listen. Where did Nancy,Kevin,and Julie go on vacation? [01:03.35]Match the person with the place. [01:54.94]Act

发表于:2018-12-13 / 阅读(344) / 评论(0) 分类 新目标初中英语七年级

Unit 1 Where's the post office? [00:44.93]SECTION A activity 1b.Listen and circle the places you hear in la. [01:31.95]Activity 2b.Listen and fill in the blanks with the words in the box. [01:40.44]1.The library is ____the video arcade and the superm

发表于:2018-12-13 / 阅读(378) / 评论(0) 分类 新目标初中英语七年级

Unit 4 I want to be an actor. SECTION A [00:07.13]Activity 1b.Listen and number the people [1-3] in the picture above. [01:00.13]Activity 2a.Listen and number the pictures[1-3] below. Activity 2a.Listen and number the pictures[1-3]below. [02:02.04]Ac

发表于:2018-12-13 / 阅读(323) / 评论(0) 分类 新目标初中英语七年级

[00:23.48]STARTER UNIT 1 [00:27.32]Hello!I'm Amy. [00:31.37]Section A Activity 1b [00:37.30]Listen and number the names you hear [1-5]. [00:44.38]conversation 1 [00:48.04]Beth:Hello,Eli.Good morning. [00:52.58]Eli:Good morning,Beth. [00:55.93]convers

发表于:2018-12-13 / 阅读(330) / 评论(0) 分类 新目标初中英语七年级

UNIT 3 What's this in English? [00:06.40]Section A Activity 1b [00:12.15]Listen and circle the things you hear. [00:17.11]conversation 1 [00:20.77]A:What's this in English? [00:24.22]B:It's a ball. [00:27.38]conversation 2 [00:31.01]A:What's this? [0

发表于:2018-12-13 / 阅读(301) / 评论(0) 分类 新目标初中英语七年级

UNIT 2 [00:03.81]Nice to meet you! [00:07.34]Section A [00:10.79]Activity 1b [00:15.05]Listen and circle the names you hear. [00:20.22]Jhon:Good evening,Amy. [00:23.77]Amy:Good evening,John [00:27.30]Amy:This is Jhon.This is my father, George And my

发表于:2018-12-13 / 阅读(345) / 评论(0) 分类 新目标初中英语七年级

Unit 6 What are you doing for vacation? [00:07.19]SECTION B [00:08.62]1a Match the words with the pictures. [00:13.38]1b PAIRWORK [00:16.84]What do you like to do on vacation? [00:20.74]Use the words from activity 1a and any other [00:24.92]words you

发表于:2018-12-13 / 阅读(350) / 评论(0) 分类 初中英语山东版七年级下

[00:00.00]unit 1 Where did you buy that hat? [00:39.68]Conversation [00:42.71]Listen and look. [00:46.16]Where did you buy that hat? I bought it at the shopping mall. [00:53.24]It's nice.Was it expensive? [00:57.89]No,it was cheap,but this pair of su

发表于:2018-12-13 / 阅读(262) / 评论(0) 分类 开心学英语第六册

[00:00.00]Unit 3 [00:05.90]There is one boy. [00:09.85]Activity 1 [00:15.10]Listen and repeat. [00:21.16]There is one boy. [00:25.03]There are three girls.

发表于:2019-01-09 / 阅读(242) / 评论(0) 分类 新标准小学英语活动用书5册(一年级起点)

Unit 5 [00:03.72]If you go to the party, [00:05.61]you'll have a great time! [00:07.08] [00:08.30]Section A [00:09.64] [00:10.96]1b Listen. [00:14.62]Were your answers to activity 1a correct? [00:19.26] [00:20.32]I think I'm going to wear jeans to th

发表于:2019-01-09 / 阅读(265) / 评论(0) 分类 新目标初中英语八年级下册

Unit6 Where are the jazz CDS? SECTION A Activity 1b [00:19.83]Listen and number the conversations[1-3] [00:51.02]Activity 2b.Listen to the conversation and label the map of the CD store. [01:42.64]SECTION B Activity 2a.Listen and write Mike's, [01:56

发表于:2019-01-09 / 阅读(313) / 评论(0) 分类 新目标初中英语七年级

Unit 8 What is John Like? SECTION A [00:12.54]Activity 1b.Listen and find Billy,Angela,and Jane. [00:19.33]Number them in the pictures[1-3]. [01:05.33]Activity 2a.Listen and circle the words you hear. [02:13.43]Activity 2b.Listen again.Draw lines to

发表于:2019-01-09 / 阅读(343) / 评论(0) 分类 新目标初中英语七年级

[00:00.00] Unit 2 [00:03.84]I'd like an orange juice,please. [00:06.48]Activity 1.Listen and repeat.What would you like? [00:16.64]I'd like a hot dog.I'd like some fries. [00:22.91]We'd like some milkshakes.

发表于:2019-01-15 / 阅读(308) / 评论(0) 分类 北外版新标准小学英语第六册(三年级起点)

Part 3. PBSa biodegradable plastic product. Keywords. plastic, new solution, biodegradable plastic, break down, PBS. Vocabulary. PBS, biodegradable, tableware, microorganism, enzyme, degrade, dump. Environmental protection is a big issue nowadays. Wh

发表于:2019-02-15 / 阅读(204) / 评论(0) 分类 Step by Step 3000 第二册
学英语单词
Agrakhanskiy Poluostrov
anthelmintic action
antiorganic
antitrust enforce
apparent preconsolidation pressure
balancer-booster
Berbers
block relaxation method
blood capsule
bridge isomerism
bugwort
buins
cannot see the wood forest for the trees
cap height
Carnegiea gigantea
chemically modified optically transparent electrode
Chikreng
cinemark
circulation of currency
civil aviation hygiene
corally
diamond blade
diffusion index
dirty air
displacement of volume
drug-safety
Dukān Dam
duplicitas media
dust from
endometrial cancers
er lumen
extraordinary ray
extrapolated boundary
fictitious stiffness
force entrance
fpco
got up to kill
gradient section
heat movement
hypomesosoma
i-scrape
ineffaceability
interferometric seabed inspection sonar
isarithmic
jean-mary
key events
leichter
liberalist state doctrine
magnetic permeability measurement
Magnolia insignis
man bun
measuring phototube
microbudget
middle facial fracture
middle layer
modal frequency
non-linear two-port
nonzonate
nzabahimana
Oksko-Donskaya Ravnina
orders of our lady of mount carmel
outer-expander
p-nitro-ethylacetanilide
patient harness
personify
Petromyzon
Phoenix L.
physical law
Policy mapping.
populators
port levle manager
progressive income tax
provision for income tax
pure commercial act
Quechuan language
redergin
regroupings
resection of urethral diaphragm
reserve for new construction
resubmerged
rock-paper-scissors-lizard-Spock
rotogravure ink
Saryozek
say a few words about
Scomberomorus sierra
self-distrust
shall not be applied to
sinactine
snotnoses
special exporter's declaration
statistical nature
steam injection gas turbine
stereophonic cinema
straight stall
strained active layer
suboptimal kalman gain
typeless function
undamped wave transmission
unhospitably
veterinary viology
World Council of Service Clubs