给加横线字注音，据拼音写汉字。

石榴有梅树的枝干，有杨柳的叶片，奇崛(____)而不枯jí(____)，清新而不柔mèi(____)，这风度实兼(____)备了梅柳之长，而舍去了梅柳之短。

填写单词 根据句子意思, 在空格中填写适当的单词, 使句子完整、正确。

Here are four seasons in a year — spring, ____ , autumn and winter.

Frank was ____ in 2000. He is fifteen this year.

It's 12:00 at noon. It's time for students to have____ in the dining hall.

To keep____ , you'd better exercise every day and eat more fruit and vegetables.

In China, many children are taken____ of by their grandparents in the village.

— I've ____ been to a water park before.

— Me neither.

What does John want to be when he____ up?

A boy ____  himself in P. E. class. The teacher and two students took him to the  hospital at once.

减数分裂过程中出现染色体数目异常，可能导致的遗传病是（  ）

下列光学现象中属于光的反射的是         （）