单词:adsorption chromatographic column
单词:adsorption chromatographic column 相关文章
Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(
Staircase Intonation So what is intonation in American English? What do Americans do? We go up and down staircases. We start high and end low. Every time we want to stress a word or an idea, we just start a new staircase. That sounds simple enough,
Exercise 1-1: Rubber Band Practice with Nonsense Syllables Take a rubber band and hold it with your two thumbs. Every time you want to stress a word by changing pitch, pull on the rubber band. Stretch it out gently, don't jerk it sharply. Make a loop
You're supposed to write quickly! [00:06.84]Section 1 Before You Read [00:11.62]PAIRWORK [00:13.77]1a Can you read the following expressions? [00:20.09]How would you usually write them in English? [00:24.16]Example:F2F--face to face [00:31.52]How R U
Could you please lend me your pen? [00:07.30]Section 1 Before You Read [00:11.38]GROUPWORK [00:13.63]1a If you need help with your homework, [00:19.26]how would you ask these people? [00:23.55]1b Discuss the language you used to [00:27.71]make this r
Unit 5 My favorite subject is science. [00:10.03]Section A [00:12.52]1a Match the words with the pictures. [00:17.99]Language Goals:Talk about preferences; [00:22.46]Give reasons [00:24.63]What's your favorite subject? [00:27.63]My favorite subject i
Unit 6 By the time I got outside, [00:07.14]the bus had already left. [00:10.03]SECTION B [00:11.87]1a Put these words in the correct columns [00:16.86]in the chart. [00:19.03](Some words can go in more than one column.) [00:23.50]fool costume [00:27
UNIT 5 I like music that I can dance to. [00:09.02]I only eat food that tastes good. [00:12.66]Section 1 Before You Read [00:15.37]GROUPWORK [00:17.72]Look at the diets of two people. [00:20.68]Discuss which diet is healthier and why. [00:24.50]LINDA
[00:00.00]Unit 2 第二单元 [00:06.95]Exercise 1 练习一 [00:10.79]Listen and write the words in the correct column. [00:14.79]these [00:20.14]year [00:26.70]like [00:32.94]minute [00:39.63]Chinese [00:47.28]red [00:53.19]ear [00:58.54]pen
[ti:UNIT 1 A Trip to Beijing Lesson 8] [0:01.395]Unit 1 [0:03.426]A Trip to Beijing [0:06.318]Lesson 8 [0:08.234]Unit Review [0:10.902]Ⅰ. [0:12.257]Building Your Vocabulary [0:15.151]A. [0:16.433]Fill in the blank with the proper word. [0:19.751]Th
Unit 7 How do you make a banana smoothie? [00:04.99]SECTION A [00:07.92]1b Listen and put the instructions in the correct order. [00:55.14]2a Listen to Maria and Katie making fruit salad. [01:02.41]Write the names of the ingredients under Now much or
Unit 5 When was he born? [00:06.46]Section B [00:08.19]1a Look at these people.Under each picture, [00:13.94]write one or two words to describe the person. [00:18.35]talented loving outstanding unusual [00:25.78]beautiful creative kind famous [00:33.
UNIT 54 COMMUNICATION ( Ⅱ ) Lesson 107 Part Ⅰ UNIT 54 COMMUNICATION ( Ⅱ ) Lesson 107 Part Ⅰ Warming-up Exercises Note-taking: A TV Program Guide 6 ∶ 00 ______________________________________
[00:01.26]Module 1 MY FAMILY AND FRIENDS [00:06.10]UNIT 3 Where have you been today? [00:10.86]3 Listen and write. [00:14.61]Listen and put the words in the correct table. [00:19.44]at hot shop dad not have [00:32.03]UNIT 4 Whathave you done in New Y
After a beautiful purebred puppy wandered onto our back porch and made himself at home, my husband composed an ad for the
2a Listen. [00:05.59]In each conversation about gifts, [00:08.40]who is the person shopping for? [00:10.84]Put a check()in the correct column. [00:13.43] [00:14.50]Conversation 1 [00:15.62] [00:17.60]What should we get for Lisa? [00:19.39]How about a
VOICE ONE: I'm Mary Tillotson. VOICE TWO: And I'm Steve Ember with the VOA Special English program PEOPLE IN AMERICA. Today, we tell about advice writer Ann Landers. (MUSIC) VOICE ONE: Ann Landers Many newspapers in the United States have writers wh
MARY LOUISE KELLY, HOST: On page A23 of today's Washington Post you can find the last column Jamal Khashoggi wrote before he disappeared. Khashoggi went missing on October 2. It looks increasingly likely that he is dead, a reality President Trump ack
BEIJING, June 9 (Xinhua) -- Pan Gongsheng, the former vice president of the Agricultural Bank of China (ABC), has joined the People's Bank of China (PBOC), the country's central bank, as its vice president, according to updated information on the PBO