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【单选题】
32岁女,第一胎阴道分娩,胎儿、胎盘娩出顺利,关于胎盘的描述错误的是
A.
胎盘由底蜕膜、绒毛膜、羊膜组成
B.
IgG不可通过胎盘
C.
妊娠8~10合成雌激素和孕激素
D.
胎盘合成人绒毛膜促性腺激素HCG并在孕8~10高峰
E.
足月妊娠胎盘,母面粗糙,子面光滑
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参考答案:
举一反三
【单选题】电阻应变式传感器是利用金属的( )将被测机械量转换成( )
A.
电阻应变效应,电阻变化
B.
压电效应,电压变化
C.
热电效应,电力变化
D.
光电效应,电阻变化
【单选题】听力原文:W: Sir, you've been using the online catalogue for quite a while. Is there any thing I can do to help you? M: Well, I've got to write a paper about Hollywood in the 30s and 40s, and I'm really st...
A.
Searching for reference material.
B.
Watching a film of the 1930s'.
C.
Writing a course book.
D.
Looking for a job in a movie studio.
【单选题】哺乳类动物的牙为
A.
三角片牙
B.
同形牙
C.
异形牙
D.
端生牙
E.
侧生牙
【单选题】听力原文:M: I would like to make a reservation for a flight to Las Vegas for March 8th. W: Sorry, but all flights to Las Vegas are fully booked on March 8th. Actually, our flights to Las Vegas are all boo...
A.
On March 8th
B.
On March 9th
C.
On March 10th
D.
On March 12th
【单选题】感触法是一种接触式测量表面粗糙度的方法,它是利用传感器端部的金刚石触针与被测表面适当接触并在被测表面上轻轻滑行。由于被测表面有微小的峰谷,使触针在滑行的同时还沿轮廓的垂直方向上下移动,将触针移动的微小变化通过传感器转换成( ),并经计算和放大处理便可直接由仪器指示表上得到值或其他参数值。
A.
位移
B.
光电信号
C.
电信号
D.
长度
【单选题】Not all ads are used to promote a product or to increase a company’s profits. Which is the following statement correct?
A.
All the ads are used to promote a product or to increase a company’s profits.
B.
Neither of ads are used to promote a product or to increase a company’s profits.
C.
Some of ads are used to promote a product or to increase a company’s profits.
D.
None of ads are used to promote a product or to increase a company’s profits.
【单选题】Japan is described in the passage as a country that attaches importance to ______.
A.
all-round development
B.
the learning of Western music
C.
strict training of children
D.
variety in academic studies
【单选题】Which of the following sentences is INCORRECT?
A.
They have all read the book.
B.
These all rooms are luxurious.
C.
The visitors are all from China
D.
All the people stare at him.
【简答题】使用 ( )符号 每次匹配若干个字符 .
【单选题】听力原文:W: July 14th, just a month after my brother. Q: When is the birthday of the woman's brother? (3)
A.
June 4th.
B.
June 14th.
C.
July 4th.
D.
July 14th.
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