They are going to ___________ a new company which sells French red wine.
A:take up
B:set up
C:put up
D:use up
肉眼观察细胞一定要借助于( )
____ r_ _er
____ pen_i_ c_ _e
____ c_a_on
____ s_h_ol_a_
____ r_b_er
下列实验操作中,正确的是