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【单选题】
初孕妇,25岁,末次月经不详,产科检查测得,腹围99cm,35cm,胎头已入盆且固定,5个月前自感胎动,估计孕
A.
28 ; ; ; ;
B.
32
C.
34
D.
35
E.
36~40
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【单选题】Huxley is ______ optimistic for the future of either man or plant on this planet.
A.
anything but
B.
nothing but
C.
above all
D.
rather than
【单选题】Great changes in the past 20 years. A. took place B. takes place C. are taken place D. is taken place
A.
took place
B.
takes place
C.
are taken place
D.
is taken place
【单选题】It’s not what you say ______ matters, but what you do.
A.
which
B.
how
C.
that
D.
when
【单选题】Only by imagining and creating ____the problem.
A.
can solve
B.
you can solve
C.
solve
D.
can you solve
【单选题】关于电场线下列说法错误的是
A.
在电场中画出一系列曲线,使曲线上任一点的切线方向都和该点的场强方向一致,该曲线称为电场线
B.
电场线一定是一条向外延伸的笔直射线
C.
以上说法都不对
【单选题】下列关于电场线说法错误的是
A.
电场线不能相交
B.
电场线的疏密代表电场强度的大小
C.
匀强电场的电场线是一组间隔相同的带有箭头的平行线。
D.
电场线一定是从正电荷出发终止于负电荷。
【单选题】Which is a good place for studying?A. A clean and beautiful place.B. The place with
A.
28. Which is a good place for studying? A. A clean and beautiful place.
B.
The place with a computer.
C.
The place with a television and a radio.
D.
A quiet place with a chair ,a desk and some study materials.
【单选题】小学汉语拼音教学内容中声母一共有( )个。
A.
16
B.
21
C.
23
D.
39
【单选题】It is what you do rather than what you say ______matters.
A.
what
B.
when
C.
that
D.
how
【单选题】关于电场线的说法,错误的是( )
A.
电场线的方向,就是电荷受力的方向
B.
对于一个初始速度为0的正电荷来说,当其只受电场力作用的时候,一定沿电场线运动。
C.
电场线越密的地方,同一电荷所受电场力越大
D.
静电场的电场线不可能是闭合的
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