焚风效应是由山地引发的一种局地范围内的空气运动形式。一般发生在背风坡地区,使气温

题型:选择题

问题:

焚风效应是由山地引发的一种局地范围内的空气运动形式。一般发生在背风坡地区,使气温比迎风坡异常变高。其成因是湿绝热垂直递减率和干绝热垂直递减率的不同。(湿绝热垂直递减率是有水汽凝结时的空气垂直递减率;干绝热垂直递减率是无水汽凝结时的空气垂直递减率)读下图回答各题。

焚风形成示意图                                气温垂直递减率

小题1:气流过山时在②至③处成云致雨,气温垂直递减率与山地其它处相比的变化及成因(   )

A.变大,水汽凝结释放热量

B.变大,水汽凝结消耗热量

C.变小,水汽凝结消耗热量

D.变小,水汽凝结释放热量小题2:空气过山后按干绝热变化,④处气温比①大致高(℃)(   )

A.3

B.9

C.12

D.7.5

考点:全球的气压带风带及其季节性位移季风环流锋面系统的分类及天气高、低压与天气
题型:选择题

Like hundreds of other young people of all countries who take part in our language courses, you can make the most of your holidays by studying French in an interesting way and, at the same time, discover one of France’s most beautiful areas—Nice!

Our summer course lasts 3 weeks in July and August. You’re welcome to come at any time between July and August 6.You can choose to stay at a host family, but we suggest you stay at our international summer camp. It makes it easy to meet other people and make new friends. What’s more, you can have your classes in the same building which is close to the beach! A free bus service brings you to and from classes if you are living in a French host family or enables you to get into the centre of town if you are living at the summer camp.

Whenever you choose to come, we’ll organize short trips, parties, sports and other activities and motivate you to speak French.

Your stay in Nice will therefore not only be an educational one, but also an enjoyable experience. Besides offering you many opportunities to meet other people from different cultures, we will do everything to make sure your stay will be unforgettable!

小题1:How long is the summer course?

A.Two months.

B.Three weeks.

C.One month.

D.Eight weeks.小题2:According to the passage, they suggest the students stay ____ during the study.

A.at the summer camp

B.in the hotel

C.at their friends’ homes

D.in the centre of town小题3:During the course, students can ________.

A.travel all over France

B.never leave the camp

C.learn French and make friends

D.swim alone in the sea小题4:What does the underlined word “motivate” in the third paragraph mean?

A.激发

B.感谢

C.阻止

D.妨碍小题5:What you’ve read above is ________.

A.A travel diary

B.An advertisement

C.An introduction to France

D.A piece of news

题型:选择题

脑出血病人出现瞳孔不等大,昏迷加深,常提示().

A.脑室出血

B.小脑出血

C.合并蛛网膜下腔出血

D.脑疝形成

E.血肿形成

题型:选择题

用离子交换树脂提取总生物碱,所选择的树脂类型是

A.大孔树脂

B.弱酸型树脂

C.弱碱型树脂

D.强酸型树脂

E.强碱型树脂

题型:选择题

急诊室的工作应是

A.8小时工作制

B.24小时开放

C.12小时工作制

D.中午休息2小时

E.节假日休息

题型:选择题

安全带长度一般在1.5~2.0m,使用()m以上的长绳应加缓冲器。

A、.4

B、.3

C、.5

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