聚氨酯硬泡的憎水率达到（）以上 A.95% B.90% C.85% D.80%_爱下问搜题

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问题单项选择题

聚氨酯硬泡的憎水率达到（）以上

A.95%

B.90%

C.85%

D.80%

答案

参考答案：B

选择题

The film directed by Zhang Yimou is beyond praise and it has certainly ______ my expectations.[ ]

A. led to

B. taken to

C. lived up to

D. agreed to

单项选择题 A1型题

心血池显像剂是

A．-MIBI

B．

C．-HMPAO

D．-RBC

E．-MAA