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When H7N9 bird flu first appeared, people didn't know doctors could cure it.

A. if B. that C. what

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How to Spend Our Pocket Money

As families are now living a better life, we kids can have some pocket money

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完形填空.

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2.A. with B. without C. for D. on

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Life is full of surprises and you never know how things will turn out.

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Like so many scientists, Gurdon shows us where the power of curiosity and perseverance(坚持) can lead.

When he was 15 in 1948,Gurdon ranked last out of the 250 boys at his high school in biology and every other science subject. Gurdon’s high school science teacher even said that his dream of becoming a scientist was “quite ridiculous”.

In spite of his teacher’s criticisms(批评), Gurdon followed his curiosity and kept working hard. He went to the lab early and left later than anyone else. He experienced thousands of failures.

“My own belief is that we will, in the end,understand everything about how cells actually work,”Gurdon said.

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A. Sir John Gurdon

B. Shinya Yamanaka

C. Sir John Gurdon and Shinya Yamanaka

D. Gurdon’s science teacher

2.What does the underlined word “ridiculous” mean?

A. 荒谬的 B. 无畏的 C. 荒废的 D. 无知的

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a. create the sheep Dolly

b. take a cell from an adult frog

c. use a person’s skin to create stem cells

d. move a frog’s genetic information into an egg cell

e. grow into a clone of the adult frog

A. b-a-c-d-e B. b-d-e-a-c C. b-d-a-e-c D. b-c-d-a-e

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A. Ninety percent of the time things don’t work.

B. Luck favors the prepared mind.

C. Life is full of pleasure.

D. How to know cells actually work.

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