问题
单项选择题
氟尿嘧啶（）。
A.A
B.B
C.C
D.D
E.E
答案
参考答案：D
解析：
[试题解析] 本组题考查要点是“药物的化学结构式”。选项A为顺铂的化学结构式。选项B为巯嘌呤的化学结构式。选项C为白消安的化学结构式。选项D为氟尿嘧啶的化学结构式。选项E为卡莫氟的化学结构式。
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氟尿嘧啶（）。
A.A
B.B
C.C
D.D
E.E
参考答案：D
解析：
[试题解析] 本组题考查要点是“药物的化学结构式”。选项A为顺铂的化学结构式。选项B为巯嘌呤的化学结构式。选项C为白消安的化学结构式。选项D为氟尿嘧啶的化学结构式。选项E为卡莫氟的化学结构式。
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| I have a problem with my parents: I want to wear some nail polish (指甲油) but they won't __1__ me to do so. They tell me that only after I have reached twenty-one can I __2__ anything for myself. This is so__3__ . I think nail polish is beautiful, and many of my friends wear nail polish to school. I told my parents about it but they still __4__ listen. How can I wait __5__ I'm twenty-one? Olivia, 11, China Hey, Olivia! If you want to wear it and your friends __6__ you about it, here is what you can do. Sit down with your mother in a quiet place and tell her not to start yelling (叫嚷) and saying "no" right away. If she does do this __7__ you tell her, say, "You might have wished to and probably got to wear it when you were at my __8__ ."But don't yell at her, and if she says she couldn't do it at your age either, then that is probably the reason __9__ she doesn't want you to do so. If you still can't wear it ... oh well, then don't. Don't make it worse by wearing it when they tell you not to. If your friends laugh at you, tell them you don't __10__ about what they say. And if they make unfriendly jokes on you, then they are not your true friends. Bianca, 10, America | |||
| ( ) 1. A. teach ( ) 2. A. obey ( ) 3. A. surprising ( ) 4. A. wouldn't ( ) 5. A. if ( ) 6. A. know about ( ) 7. A. than ( ) 8. A. age ( ) 9. A. how ( ) 10. A. design | B. allow B. achieve B. exciting B. shouldn't B. until B. care about B. and B. idea B. why B. study | C. advise C. find C. frustrating C. needn't C. because C. give up C. after C. school C. when C. care | D. influence D. decide D. interesting D. couldn't D. so D. make fun of D. before D. point D. where D. experience |