宇航员在某星球表面附近自h高处以初速度V0水平抛出一个小球，测出小球的水平射程为

计算-2+3的结果是 [ ]

A．1

B．-1

C．-5

D．-6

She was afraid ________ the yard because she was afraid ________ by the big dog

________ at the gate. [ ]

A. to go into; to be bitten; lay

B. of going into; to bite; laying

C. of going into; to be bitten; lying

D. to go into; of being bitten; lying

《中国药典》规定的"熔点"是指

A．供试品在初熔至全熔时的温度范围
B．供试品在局部液化时的温度范围
C．供试品在熔融同时分解时的温度范围
D．A或B
E．A或B或C

单位不按照规定为员工办理住房公积金账户怎么办？如何惩罚？

根据《煤矿安全规程》，采用平行孔装药爆破处理盲炮时，平行钻孔距离盲炮不应小于（）。

A.0.8m

B.0.5m

C.0.3m

D.0.2m