You must wash your dishes when you are done with them.

You must shine your shoes.

A．polish

B．clear

C． wash

D．mend

You must shine your shoes．

A polish

B clear

C wash

D mend

I'm not helping you. You must wash your socks

A. you

B. yourself

C. itself

You must shine your shoes.

A. lighten

B. clean

C. wash

D. polish

The thing you wash your hair with must be_____

A．used with care

B．very strong

C．extremely mild

D．fashionable

You must wash your hands when preparing food to______passing on disease to your family.

A．worry about

B．protect against

C．pay attention to

D．guard against

A.used with care

B. very strong

C. extremely mild

D. fashionable

A.The portable machines should be set at the proper drop for the first wash before the fixed machines are used

B.The tank used as the source for the tank cleaning machines should be debottomed for at least one meter

C.The inert gas system must reduce the oxygen content in the tank to at least 18%

D.The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential

Section A

Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.

听力原文：M: Honey, you've got to drink lots of water. It will wash away the infection in your eyes.

W: I have been doing that all these days and I feel much better.

Q: Why does the woman drink so much water？

(12)

A．She wants to have fair skin.

B．Her eyes don't feel comfortable.

C．She wants to wash something away in her stomach.

D．She has a digestion problem.

A.polish

B.clear

C.wash

D.mend