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(794) / 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(149) / 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(168) / 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(191) / 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(321) / 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(324) / 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(324) / 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(350) / 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(299) / 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(303) / 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(277) / 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(321) / 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(318) / 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(235) / 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(226) / 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(244) / 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(282) / 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(300) / 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(292) / 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(185) / 评论(0) 分类 Step by Step 3000 第二册
学英语单词
-ford
after someone's taste
aleuritic acid
ankle drop
antiparasites
askenazi
assault aircraft landing
base-load station
beta rule
billiard rooms
black discolouration
board-foot measure
boric spar
botas
byelections
cankered
canulizations
carrier-isolating choke coil
caudal gill
center halfback
cephalotetauns
chemotacticum
chullos
claif
closed impeller type sandpump
Color in the Office
computer-tomography
cotyldeon
cross transfer conveyer
cutting fluid additive
dark felling
dead plate
detuning phenomena
displacement of rail joint
double sliding back gear
ducting
Echoplacentogram
egyptomania
encapsulating perimetrosalpingitis
equivalent virtual braking distance
excitation energy transfer
FARET
fuzzy algorithm
Getic
handymax
horizontal parboiling dryer
identifiable flying object
ikavic
inner node
interlocking guard with a start function(control guard)
invalid vector specification
junior-grade
kizmin
longlife milk
map-readers
me three
meperidines
metatectonic
net sand thickness
nitschkia phaeospora
non-medicinal
normal stationary sequence
outstanding
patronites
pick up guard
plantator
pressure sensitive tape
proclaim from the housetops
rose sandal amber
Rostrinucula sinensis
schools of economic thougth
selenocysteine
shot term repeatability
sinapize
slate-blue
soft soaps
South-Polar Ocean
specification of the mathematical form of model
spheroidal catalyst particles
split(ting) chase mo(u)ld
station journal
structural passability
subjectivist
sustained rainfall
switching pulse
ters
thornburn
threshould frequency
through cargo arbitrary
tichodromas
tolerance level in production
total operating expense
trigonal rhombohedral class
v.m.s
vacuum ultraviolet (vuv)
vena cerebris
vibromotive force
volunteer activities
wheat beers
wireless link
wood pattern making process
ypf