She didn’t hear what you said because she was completely engrossed in her reading.
A. 心不在焉的
B. 全神贯注的
C. 紧张的
D. 睡意浓的
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Lily was an active girl. But her brother was quite sedate.
A. handsome
B. humorous
C. quiet
D. sleepy
The flowers in the vase withered because they had no water.
A. became sweeter
B. became red
C. became dry
D. became wet
Just for fun, they decided to try a very circuitous country road instead of the more direct highway.
A. straight
B. flat
C. direct
D. indirect
心衰最特征性的血流动力学变化是（）
A.肺动脉循环充血
B.动脉血压下降
C.心输出量降低
D.毛细血管前阻力增大
E.体循环静脉淤血
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