对于胎膜早破下列说法最正确的是A.孕37周之前的胎膜破裂 B.孕40周(预产期)之前

题型:单项选择题

问题:

对于胎膜早破下列说法最正确的是

A.孕37周之前的胎膜破裂

B.孕40周(预产期)之前的胎膜破裂

C.临产之前的胎膜破裂

D.临产后进入活跃期之前的胎膜破裂

E.宫颈口开全之前的胎膜破裂

考点:卫生资格考试(中初级)妇产科主治医师病理妊娠
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飞机的速度常用马赫数表示,马赫数指的是声速的倍数.一架波音客机最大飞行速度是马赫数0.88,它的飞行速度是______Km/h,苏37是俄罗斯的第四代战斗机,它的速度是678m/s,其飞行速度的马赫数是______.

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如图所示为一磁流体发电机示意图,A、B是平行正对的金属板,等离子体(电离的气体,由自由电子和阳离子构成,整体呈电中性)从左侧进入,在t时间内有n个自由电子落在B板上,则关于R中的电流大小及方向判断正确的是(  )

A.I= ,从上向下

B.I= ,从上向下

C.I= ,从下向上

D.I= ,从下向上

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Many students have hobbies, such as reading, painting, growing vegetables in their gardens, and looking after animals. Some hobbies are relaxing and (16) are creative. Hobbies can develop your interests and help you learn new skills.
David Smith is a student, and his hobby is writing. (17) the sumer of 2000, he spent four weeks on a summer camp. As well as the usual activities, such as sailing, climbing and mountain biking, there was a writing workshop with a professional (18) "She asked us to imagine that we were in a story. Then we wrote about our (19) at the camp. "
In senior high school David wrote a story about teenage life, and it (20) as a book in 2003. Many teenagers love his book, and as a result, David has become a (21) young writer.
David has been very lucky (22) his hobby has brought him enjoyment and success, but he is (23) interested in many other things. "I like playing volleyball, too" says David. "I spend some of my free time playing volleyball for my school team. (24) I’ll write more books in the future, but I’m not sure. "
It’s sometimes difficult (25) that we shouldn’t spend all our time on our favourite hobby. There are many other interesting things to do in life, and we should try to do something new or different.

Ⅱ. 完形填空/Cloze

A.or

B.but

C.because

D.though

题型:单项选择题

在《荷塘月色》中,朱自清使用了()的修辞手段。

A.比喻

B.联想

C.排比

D.拟人

题型:单项选择题

“古时歌谣说‘滟滪大如马,瞿塘不可下;滟滪大如猴,瞿塘不可游;滟滪大如龟,瞿塘不可回;滟滪大如象,瞿塘不可上。这滟滪堆原是对准峡口的一堆黑色礁石’”中所用的辞格是()

A、排比

B、反复

C、层递

D、比喻

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