肾脏较易触到的是()
A.游走肾
B.肾下垂
C.身材矮胖者
D.肾结石
E.身材瘦长者
参考答案:A, B, E
下图是制作“洋葱表皮细胞临时装片”实验的部分步骤,正确的操作顺序是( )
A.②③④①⑤
B.④③②①⑤
C.③④②⑤①
D.③④②①]⑤
---- David has made great progress recently.
---- ________ and ________.
A.So he has; so you have
B.So he has; so have you
C.So has he; so have you
D.So has he; so you have