一台显微镜目镜为10×,物镜为10×,在此放大倍数下可以看到一行排列的64个细胞,如果将物镜改为40×,理论上可以看到多少个细胞?( )
went swimmingthe weekend. A.in B.on C.for
Did youbooks? A. readed B. reads C. read
-What are you doing? -I'mthe ball. A. hit B. hitting C. hiting
-What do you do? –Iping-pong. A. play B. plays C. playing
-Would you likedumplings? -Yes, please. A.some B.any C.and