将十进制小数0．875转换为二进制小数是A．0．111 B．1．11 C．0．110

在C、H、Cl、O、Na五种元素中，选择适当元素，组成符合下列要求的物质，请将其化学式填入空格中．

（1）理想的高能燃料是______；

（2）可用于灭火的是______；

（3）工业上可用于金属表面除锈的是______；

（4）一种常见的溶剂______；

（5）一种常见的盐______；

（6）一种常见的碱______．

明朝实行八股取士的考试制度的目的是[ ]

A、选拨真正有才能的人

B、使古代的文化遗产不被遗忘

C、选拔皇帝的忠实奴仆

D、推进教育制度的发展

I grew up in a community called Estepona. I was 16 when one morning, Dad told me I could drive him into a___1___ village called Mijas, on condition that I took the car in to be ___2___ at a nearby garage. I readily accepted. I drove Dad into Mijas, and ___3___ to pick him up at 4 pm, then dropped off the car at the ___4___. With several hours to spare, I went to a theater. ___5___, when the last movie finished, it was six. I was two hours late!

I knew Dad would be angry if he ___6___ I’d been watching movies. So I decided not to tell him the truth. When I ___7___ there I apologized for being late, and told him I’d ___8___ as quickly as I could, but that the car had needed a major repairs. I’ll never forget the ___9___ he gave me. “I’m disappointed you ___10___ you have to lie to me, Jason. ” Dad looked at me again. “When you didn’t ___11___, I called the garage to ask if there were any ___12___, and they told me you hadn’t yet picked up the car. ” I felt ___13___ as I weakly told him the real reason. A ___14___ passed through Dad as he listened attentively. “I’m angry with ___15___. I realize I’ve failed as a father. I’m going to walk home now and think seriously about ___16___ I’ve gone wrong all these years. ” “But Dad, it’s 18 miles!” My protests and apologies were ___17___. Dad walked home that day. I drove behind him, ___18___ him all the way, but he walked silently.

Seeing Dad in so much ___19___and emotional pain was my most painful experience. however, it was ___20___ the most successful lesson. I have never lied since.

1. A. lonely    B. small  C. distant D. familiar

2. A. kept       B. washed       C. watched     D. serviced

3. A. agreed    B. planned      C. determined D. promised

4. A. village    B. community C. garage D. theater

5. A. however B. Then   C. Therefore   D. Still

6. A. realized  B. found out   C. thought      D. figured out

7. A. went      B. ran     C. walked       D. hurried

8. A. started    B. left     C. arrived       D. come

9. A. word      B. face    C. look    D. appearance

10. A. find      B. decide C. believe       D. feel

11. A. turn up B. drive out    C. go away     D. come out

12. A. questions     B. problems    C. mistakes     D. faults

13. A. ashamed      B. frightened  C. nervous      D. surprised

14. A. nervousness  B. sadness       C. silence       D. thought

15. A. you      B. myself       C. me      D. yourself

16. A. where   B. how    C. why    D. when

17. A. meaningless B. useless       C. helpless      D. worthless

18. A. asking  B. persuading  C. begging      D. following

19. A. physical       B. practical     C. personal     D. natural

20. A. indeed  B. always       C. also    D. almost

下列描述中，是异构化催化剂性能参数是（）。

A、乙苯转化率

B、C₈A收率

C、催化剂寿命

D、对二甲苯异构化率

下列有关主诉的描述，不正确的是（）

A.主诉是患者病后感受最痛苦的症状

B.主诉可初步反映病情轻重与急缓

C.主诉是本次就诊最主要的原因

D.主诉描述尽可能用病人自己的语言

E.主诉并非现病的主要表述