I am _____________ the ball.[ ]
A. hitting
B. hiting
答案:A
—Are you going to Tibet for vacation?
—Yes. I want you to________me with some information about it.[ ]
A. offer
B. give
C. show
D. provide
一台显微镜有5×、10×、16×三个目镜,有10×、40×两个物镜,这台显微镜的最低放大倍数和最高放大倍数分别是( )
A.50倍、160倍
B.100倍、400倍
C.50倍、640倍
D.160倍、640倍