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问题 单项选择题

下面给出的是数码相机的一些性能参数：　　角片分辨率W．相片品质等级　　I.色彩深度　　II.CCD像素数目　　III.相片分辨率　　IV.相片品质等级　　上述哪些参数是用户可以设置的？

A．仅I和II

B．仅I和III

C．仅III和IV

D．仅I、III和IV

答案

参考答案：C

阅读理解

Dave Smith is 12. He has a sister .Her name is Jenny .She is 8.

Dave has a dictionary .It is blue .The dictionary is in his black backpack .He has a computer game and he likes it .Jenny has a watch .It is red .She likes it very much. She has a good pencil case ,too .It’s white . Her pencil  ,ruler ,eraser and pen are in the pencil case. Her pencil case is in her yellow backpack.

小题1:What’s Jenny’s family name?

A．White

B．Black

C．Smith

D．Brown小题2:What color is Dave’s dictionary?

A．It’s blue.

B．It’s black.

C．It’s red.

D．It’s white.小题3:_________ things are in Jenny’s pencil case.

A．One

B．Two

C．Three

D．Four小题4:What color is Jenny’s backpack?

A．It’s black

B．It’s red

C．It’s green

D．It’s yellow小题5: 下面哪项陈述是正确的？

A．Dave is 8

B．Jenny has a computer game

C．Dave’s backpack is black

D．Jenny has a sister
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单项选择题

抗体的化学本质是（）

A.胶原蛋白

B.球蛋白

C.纤维蛋白

D.白蛋白

E.角质蛋白
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