问:大鱼为什么生存在浪大的地方?()
A.便于跳跃
B.便于游荡
C.便于吸氧
D.不易被捕
参考答案:C
31. Tom__________ his father, because they both are cheerful and easygoing.
A.looks like
B.takes after
C.doesn't take after
D.isn't like
女性,25岁。车祸伤致右股骨干骨折1天,突然出现呼吸困难,发绀症状。应首先考虑()
A.肺部感染
B.脂肪栓塞综合征
C.休克
D.心肌梗死
E.气胸