Julio ()be cold. He came from Brazil, a warm country
A. might
B. can't
C. shouldn't
D. would rather
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We ()connect to the Internet yesterday due to a power failure
A. shouldn't
B. couldn't
C. may
D. would rather
Guests ()sign in at the front desk to enter the building
A. can
B. may not
C. must
D. used to
He tried to make up ()the lost time ()staying up late.
A. with...with
B. with...by
C. for...with
D. for...by
预激综合征合并三度房室传导阻滞的心电图表现是
A. 窦性心律呈完全心室预激图形
B. PJ间期常>0.27s
C. 心房颤动或心房扑动时,QRS波群呈完全心室预激图形
D.食管心房调搏通常不能诱发出房室折返性心动过速
E. 以上都是