重组单词
① It's ____ the library.
② What a great ____!
③ ____ is the post office?
④ The shop is ____ to the door.
⑤ Today is Tuesday. We have ____.
从动植物的繁殖方式可以看出生物具有多样性。( )
下列各项中,能正确表示正常男性体细胞和精子中的染色体(条数)组成的是( )