咸味药的作用是（） A．发散 B．缓急 C．清泻 D．收敛 E．软坚

已知等差数列{a_n}的公差为d（d≠0），且a₃+a₆+a₁₀+a₁₃=32，若a_m=8，则m为 [ ]

A．12

B．8

C．6

D．4

常发生肠穿孔合并症的病有（）

A.十二指肠溃疡、伤寒

B.肠炎

C.肠梗阻、肠痉挛

D.痢疾、蛔虫病

E.以上都不可能有

Which of the following is TRUE about the man

A．He didn’t suspect that she already knew his past.

B．He realized that she knew very few about him.

C．He suspected her because she knew almost everything.

D．He suspected her past.

生产LNG，对原料中的杂质含量要求苛刻。

电话闭塞法报点的规定？