U型管压力计若无外力破坏几乎可永久使用。
参考答案:对
.Jack couldn’t answer the question_________ got the money.
A.so he
B.as soon as he
C.so that he
D.how he
人体浅表淋巴结通常直径多在()。
A.0.2~0.5cm
B.1.0~1.5cm
C.0.2~0.3cm
D.0.5~1.0cm
E.0.1~0.5cm