动脉导管未闭的杂音性质是()
A.机器样
B.吹风样
C.隆隆样
D.叹气样
E.乐音样
参考答案:A
The strategies that Tom came up with worked out fine.
A.think up
B.thought up
C.thought out
D.came out
The headmaster wanted the new classroom building to be _________ as soon as possible .
A.gone up
B.put up
C.made up
D.turned up