十字形花冠
参考答案:
十字花科植物花冠由4片花瓣组成,排列成十字形,称为十字形花冠,如白菜、萝卜等。
根据汉语提示填入正确的单词。
1. Do you think ChengLong and Li Lianjie are great _____ (演员)?
2. We think Bill Gates is a very _____(成功的) businessman.
3. I like comedies. Jack likes them, _____(也).
4. There are many_____(学生) in the classroom.
5. June _____(学会) a lot about Chinese history.
6. We can_____ (看见) some sports stars in this movie.
7. My _____(最喜爱的) fruit is pears.
8. The girl _____(和) her mother is Xu Lin.
9. He _____ (认为) Tommy is a good boy.
10. This is a _____ (悲伤的) story.
EG/TEG回收真空失去的现象是()。
A、系统真空失去或大幅度波动
B、温度下降
C、循环水流量下降
D、蒸发量下降