题目内容

临界胶東浓度的缩写是( )

A. CMC
B. GMP
CM
D. CMC-Na
E. GMS

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圆形水桶，顶部及底部用环箍紧，桶内盛满液体，顶箍与底箍所受张力之比为

A. 1/2
B. 1
C. 2
D. 3

[音频]Complete the sentences with words from Exercise A.I. have a terrible . It hurts very badly.2. My grandfather is very healthy. He likes toevery day.3. Recently I don’t have any. I guess I need to sleep more.4. Coughing is a common of a cold.5. You can buy medicine at the .6. I have many things to worry about. It gives me a lot of .7. If you are in pain, try taking a couple of.8. Your pulse is one of your .

Listen and complete the conversation[音频]Hannah: Toby! Wake up!Toby: It’s only (1), Hannah! Why do we have to wake up so early?Hannah: We have to go (2) , remember?Toby: Yes… but I only got five hours sleep last night and I have a (3).Hannah: Here, take a(n) (4). It’ll fix your headache.Toby: Thanks.Hannah: Exercising is a good (5). Let’s go!Toby: OK. Can we take it easy today?Hannah: Hmm… OK.

He talked as if he _______ everything in the world.

A. have
B. has
C. will
D. had