读文章，判断正误。

Hello. I’m a pupil. I am in Grade Six of Yu Ying Primary School. There are some rules(规则) in my school. Don’t be late for school. Don’t ride a bike at school. Don’t run in the classroom. Don’t draw on the wall. We must put the rubbish into the rubbish bin. You can jump and play in the playground. Don’t talk in class. Don’t eat anything in class. Listen to the teachers carefully in class.

激素对人体的作用显著．幼年缺乏甲状腺激素和成年甲状腺激素分泌过多将分别导致（  ）

把陈述句换成把字句

①我洗干净了红领巾。

②黄鹂吃了卷叶虫。

改正下列句中的错别字。
A这一枝很象校长先生房间里的横副呢！
B一种幽暗的光迷漫在窗际，仿佛电影中的一暮。
C画竹不是照真竹一样描，须经过选择和部置。