In China, the most popular way of to school is by bike.
A:get
B:getting
C:gets
D:to get
化学是以实验为基础的科学,根据实验1、实验2回答下列问题:
(1)实验1的实验目的是____,当恰好完全反应时锥形瓶中的现象是:____,图中所示称量的质量是 ____ g.
(2)实验2中可观察到铜丝表面的现象:____,可得出的结论是:____.
There are ________books in the school library.