— ________ bowl of mutton soup would you like?

— A big bowl, please.

A. What size                         B. What big                          C. How much              D. How size

________ do you want?

Size 37.

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　　--________ shoes do you wear?

　　--Twenty-one.

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完形填空

　　Are you carrying too much on your back at school? I'm sure lots of the (1) of your age will say“Yes”.

　　Not only the students in China have this problem, but also children in the United States have (2) schoolbags.

　　Doctors are starting to (3) that younger and younger students are having (4) problems as a result of school bags being too heavy for them.

　　“It's hard for me to (5) with my bag because it's so heavy.”said Rick Hammond, an 11-year-old student in the US.

　　Rick is (6) the students who have common schoolbags with two straps (带子)to carry them, (7) many students choose rolling(滚动的)bags.

　　But even with rolling bags, getting upstairs and buses is still a problem for children. Many of them (8) their necks and backs because of the heavy schoolbags.

　　But (9) is too much? Doctors say students should carry no more than 10％ to 15％ of their own body weight(重量).

　　Scott Bautch, a back doctor, said children (10) Grade 4 should stay with 10％. But it is also important that older children don't stay over 15％, because their bodies are (11) .“Children are losing their balance(平衡)and (12) with their schoolbags,”he said.

　　Parents and teachers are starting to tell children to only take home the books they be reading (13) . Some teachers are using pieces of paper or (14) workbooks for students to take home.

　　One of the best answers is, as some children said, to have (15) homework at all!

(1)

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(2)

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(3)

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(4)

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(5)

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(6)

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(7)

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(8)

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(9)

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(10)

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(11)

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(12)

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(13)

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(14)

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(15)

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