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【单选题】
在心电图上测R-R间期时间间隔为0.75s,则被检者的心率是:
A.
65 次/min
B.
80 次/min
C.
75 次/min
D.
100 次/min
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举一反三
【单选题】A: Do you think leaving school at 16 was a mistake?
A.
B: It WAS a big mistake.
B.
B: It was A big mistake.
C.
B: It was a BIG mistake.
D.
B: It was a big misTAK
【简答题】When and where were the memos published?
【单选题】—Such a stupid mistake could have been avoided. —Unfortunately, he______the mistake again and again.
A.
repeated
B.
would repeat
C.
had repeated
D.
would have repeated
【简答题】Where and when were workers’ compensation laws originated? When were they introduced in the United States? Were workers’ compensation laws in the United States issued nationally or by state?
【简答题】人工挖孔桩,长钢套管护壁 ,1~3根桩、条形桩基沿垂直轴线方向和群桩基础易的边桩 ,桩位的允许偏差()
【单选题】Where and when were Carl and Monica seen by others?
A.
in the cinema last Saturday
B.
in the restaurant last Sunday
C.
in the book store last Sunday
D.
in the business meeting last Saturday
【判断题】电梯礼仪中,一般情况下,出入电梯以方便为主,注意通常礼仪,如女士、老人优先。
A.
正确
B.
错误
【单选题】X轴是正立投影面与( )相交的交线
A.
侧立投影面
B.
水平投影面
C.
后立投影面
【单选题】人工挖孔桩,长钢套管护壁 , 1~3 根桩、条形桩基沿垂直轴线方向和群桩基础中的边桩 ,桩位的允许偏差()
A.
± 20
B.
± 50
C.
± 75
D.
± 100
【单选题】---That must be a mistake.  ---No, it ___ a mistake.
A.
must not be
B.
needn’t be
C.
cannot be
D.
may be not
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