射线只能对体细胞产生致畸作用,而不能对生殖细胞产生致畸作用( )。
参考答案:错
Now, this small village _________ a big modern city.
A.is turning into
B.turns into
C.has turned into
D.turned into
男性第二性征发育不包括()
A.阴毛
B.腋毛
C.胡须
D.变声
E.睾丸增大