________ you to be the first to solve the structure of DNA?A．What you think led

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________ you to be the first to solve the structure of DNA?

A．What you think led	B．What do you think led
C．Do you think what led	D．What led you think

答案

举一反三

---Mrs. Smith, please teach me how to draw on the computer today.
---Oh, no. ____________. You have to get familiar with the keyboard first.

A．Think twice before you do	B．All things are difficult before they are easy
C．Learn to walk before you run	D．Don’t count your chickens before they are hatched

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—It’s much too beautiful a day to waste indoors.
—You are right. __________

A．Why don’t you stay at the library?	B．I’ve been looking forward to it for ages.
C．Get dressed and hurry to work.	D．Let’s make the most of it.

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The lady couldn"t say a word when she saw the snake, ________?
A did she B didn"t she C could she D couldn"t she

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My hometown has taken on a new look. ___________!

A．Great changes have been taken place

B．What great change

C．How it has changed

D．How great it has changed

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. ________ others whenever you can and you will make

the world a nicer place to live in.

A．Help

B．Helped

C．To help

D．Helping

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