“甲”字形墓

Marie told us that _____ that she was able to set up new branches elsewhere. [ ]

A. so successful her business was

B. so successful was her business

C. such successful business had she

D. so her business was successful

什么叫电流速断保护？它有什么特点？

一炮弹以初速度和仰角α射出。对于图所示直角坐标的运动方程为x=v₀cosαt，y=v₀sinαt-1/2gt²，则当t=0时，炮弹的速度和加速度的大小分别为：（）

A.A

B.B

C.C

D.D

社会工作者在小组工作之前必须制订小组工作计划书，在每次小组活动结束后必须及时撰写（）

A.小组活动评估报告

B.小组活动记录

C.组员考勤表

D.组员鉴定表

《中国药典》规定称取2.0g，是指称取重量为

A．1.95～2.05g
B．1.99～2.01g
C．1.5～2.5g
D．1.98～2，02g
E．1.5～2.5g