A．functionsB．placesC．cellsD．actions
A. functions
B. places
C. cells
D. actions
查看答案
A．substantialB．extensiveC．importantD．ample
A. substantial
B. extensive
C. important
D. ample
超声心动图SAM征指的是
A. 二尖瓣前叶收缩期前向运动
B. 三尖瓣后叶舒张期向后运动
C. 三尖瓣前叶舒张期向前运动
D. 二尖瓣后叶与前叶同向运动
A．onB．atC．inD．above
A. on
B. at
C. in
D. above
According to the text, Forrester Research Prediction might be different if ______.
A. outsourcing abroad is large enough to matter much
B. the proportion of jobs that can be moved will rise
C. more comprehensive factors are taken into account
D. education improvement in emerging economies plays a role
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