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【单选题】
决定冠心病心绞痛预后的主要因素正确的是A.
心绞痛发作时持续时间长短
B.
冠状动脉病变范围和心功能
C.
心室晚电位阳性与否
D.
患者的年龄与肥胖与否
E.
是否合并其它心脏病
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【单选题】—What wine shall we prepare for the dinner? —You’d better think about it twice, because some guests are ________ about their wine.
A.
special
B.
particular
C.
especial
D.
excited
【单选题】—I have tried very hard to find a solution to the problem, but in vain. w_w w. k —why not consult with Frank? You see, _________. A. great minds think alike B. two hea...
A.
1
B.
2
C.
3
D.
4
【单选题】Speaker A: I’ve decided to give up my job, Mom. Speaker B: ____ You’d better think twice.
A.
Sounds great!
B.
Are you serious?
C.
What a pity!
【简答题】PWM占空比就是____电平保持的时间与该PWM的时钟周期的时间之比。
【单选题】You'd better think twice before you ______ the plastic.
A.
bust down
B.
bust up
C.
bust off
D.
bust out
【单选题】-I've decided to give up my job , Mum . - You'd better think twice .( ) A. Sounds great! B. What a pity! C. Guess what ? D. Are you serious' ?
A.
B.
C.
D.
D
【单选题】--I've decided to give up my job, Mum. --__________ You'd better think twice.
A.
Sounds great!
B.
What a pity!
C.
Guess what?
D.
Are you serious?
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