焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。

发布时间：2020-02-20 04:12 │ 来源：www.tikuol.com

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问题：

焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。

考点：蒸馏工考试高级蒸馏工高级蒸馏工题库

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完形填空。

       Last summer, I was a volunteer (志愿者) at a shelter for the homeless, a place for homeless people
to sleep at night. I wasn't working that summer and was taking only two classes in summer school, so I
had some     1     time. Three nights a week, I helped in the kitchen of the shelter along with four other
volunteers. We     2    for 45 people hot meals    3    vegetables, chicken, fish and fruit. The homeless
people needed this good food because many of them usually didn't eat well.
       I     4    this volunteer work, making    5    with four volunteers in the kitchen. One was a very nice
elderly housewife, one a movie actor, another a young teacher and the other a college student, like me.
       I talked with a lot of the homeless people at the shelter. Their life stories filled me with sympathy
(同情). Some of them had     6    with alcohol (烈酒) or drugs (毒品) while others only had     7    luck.
One woman worked for almost 30 years for a small company, and then she lost (失去) her job, she looked
for a    8    job, but couldn't find one, for she was too     9   . She could do nothing but sell her furniture-sofas,
chairs, and tables   10    she could pay for her food. The woman    11   on looking for a job, but she still
couldn't find one. She had no money for her flat and had to sleep in her car. Then she had to sell her car.
Alone,    12    and homeless she finally came to the shelter.

( )1. A. full
( )2. A. took
( )3. A. with
( )4. A. wanted
( )5. A. decisions
( )6. A. accidents
( )7. A. bad
( )8. A. good
( )9. A. old
( )10. A. if
( )11. A. went
( )12. A. afraid

B. free
B. bought
B. from
B. had
B. wishes
B. worries
B. sad
B. fresh
B. poor
B. because
B. moved
B. serious

C. good
C. cooked
C. by
C. owned
C. friends
C. difficulties
C. small
C. easy
C. sick
C. so that
C. came
C. surprised

D. long
D. finished
D. in
D. enjoyed
D. changes
D. problems
D. poor
D. new
D. sad
D. and
D. worked
D. excited

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题型：填空题

We ____the help he gave us when we moved to our new house.[ ]

A. devote

B. thanked

C. appreciated

D. owed

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当前，在以零部件生产和注重工艺专业化为主要内容的产业内，国际分工的主要形式是()。

A.横向分工

B.纵向分工

C.地域分工

D.行业分工

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题型：填空题

如图所示，理想变压器原线圈接u=220

sin100πt （V）的正弦交流电源，图中电流表内阻不计．副线圈接入“110V，60W”灯泡一只，且灯光正常发光．下列说法正确的是（）

A．电流表的示数为3/11 A

B．通过灯泡的电流的频率为50Hz

C．电流表的示数为3/22 A

D．理想变压器原、副线圈匝数之比为2:1

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题型：填空题

关于胎盘功能，下列描述正确的是：（）

A.合成人绒毛膜促性腺激素

B.胎儿获取营养物质、排除代谢产物

C.防御微生物入侵

D.分泌孕激素和雌激素

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