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【单选题】
引起产后出血常见的原因是A.
胎盘滞留
B.
产道撕裂
C.
凝血功能障碍
D.
子宫收缩乏力
E.
急产
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反馈参考答案：
举一反三
【单选题】下列关于时间轴的说法正确的是: ( )
A.
时间轴不能组织和控制文档内容在一定时间内播放的图层数和帧数
B.
时间轴的主要组件只有图层
C.
文档中的图层列在时间轴右侧的列中
D.
在播放动画时，将显示实际的帧频；如果不能足够快地计算和显示动画，则该帧频可能与文档的帧频设置不一致
【单选题】Which of the following is NOT the reason that Sally did not want to go to the local hospital?
A.
She was leaving later that evening.
B.
She was worrying about her insurance.
C.
She could not get the result immediately.
D.
She felt it too painful to go there.
【单选题】---Sally is a good student. ---_______, and __________.
A.
So she is, so you are
B.
So she is, so are you
C.
So is she, so are you
D.
So is she, so you are
【多选题】关于拉压杆轴力的说法,正确的是( )。
A.
拉压杆轴力与杆件的横截面无关
B.
拉压杆上任何地方的轴力都不相同
C.
轴力大的杆段一定更危险
D.
拉伸轴力画在轴力图x轴的上面
【单选题】What do we learn from the conversation?
A.
Sally doesn't like films.
B.
Sally loves to go to the cinema.
C.
Sally can't go to the cinema for she has to prepare for a test.
【单选题】—Where ______ Sally usually go on Saturdays? —Sheusually ______ to the park.
A.
does ;go
B.
does ; goes
C.
do ; go
D.
do ; goes
【单选题】Sally wanted to go to Florida for the holiday, but her husband thought ,saying that they would go to New York to join his parents for Christmas.
A.
likewise
B.
meanwhile
C.
likely
D.
otherwise
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