阅读1934年长江流域四大航运公司轮船吨位数(百分比)对比示意图。下列对此理解正

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问题:

阅读1934年长江流域四大航运公司轮船吨位数(百分比)对比示意图。下列对此理解正确的是

A.外国控制并垄断中国的内外贸易

B.中国水运交通近代化开始起步

C.洋务企业在列强排挤竞争中求生

D.外国资本扩张制约中国社会发展

考点:东盟的成立和发展
题型:选择题

Dear Mr. Li,

I’m not happy. I have too many rules in my home. On weekdays I have to get up at half past six, read English for half an hour and then walk to school. I can’t play with my friend after school because I have to my homework first and then walk my dog. I can’t watch TV on school days. And I have to go to bed before ten o’clock, On weekends, I needn’t get up at half past six. But I have to get up early, because I have to clean my room and wash my clothes. Then in the afternoon I have to go to the Children’s Palace to learn dancing. When I come back, I have to help my mom make dinner. I can’t play computer games. I never have fun. What can I do?

Yours,

Linda

小题1:When does Linda have to get up on weekdays?

A.At 6:00a.m.

B.At 6:30a.m.

C.At 7:00a.m.

D.At 7:30a.m.小题2:What does Linda have to do first after school?

A.She has to clean her room.

B.She has to do her homework.

C.She has to make dinner.

D.She has to walk her dog.小题3:What does Linda do at the Children’s Palace on weekends?

A.She learns drawing.

B.She plays games.

C.She plays computer games.

D.She learns dancing.小题4:Which of the following is TRUE?

A.Linda is busy and she isn’t happy with her life.

B.Linda goes to bed before 9:00p.m. on weekdays

C.Linda can play computer games on weekends.

D.Linda often washes her clothes on Saturday afternoon.

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某学校化学兴趣小组拟通过实验来验证质量守恒定律并着重进行后续实验,请你参与其中.

(1)他们把一定量的铁粉放入盛有硫酸铜溶液的烧杯中,发现反应前后物质的总质量不变.请你用原子的观点帮他们解释“守恒”的原因: _________

(2)充分反应后,他们把烧杯中的物质进行过滤,得到滤渣和滤液.把滤渣洗涤,干燥,称量,发现滤渣质量比加入的铁粉质量大,原因是:反应溶解的铁的质量 _________ (填“小于”、“等于”或“大于”)反应生成的铜的质量.该实验除验证了质量守恒定律外,还能得出金属铁的活动性比铜的活动性 _________ (“弱”或“强”).

(3)若想继续探究铁粉是否完全反应,请你帮他们填写下表:

题型:选择题

分子间间隙最小的是()。

A、液体

B、气体

C、固体

D、蒸汽

题型:选择题

治疗钩端螺旋体病应首选()

A.青霉素G

B.红霉素

C.四环素

D.氯霉素

E.链霉素

题型:选择题

有关输卵管结扎术后病人的护理,正确的是( )。

A.受术者卧床24小时后可恢复正常活动

B.督促受术者术后及早排尿

C.注意观察有无腹痛、内出血或脏器损伤征象

D.术后4小时可以进食

E.术后休息3~4周

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