多型现象
参考答案:
同种同性别的昆虫具有两种或更多不同类型的个体的现象。
按括号中的要求完成改写后的句子,每个空格填一个单词。
1. Judy can write stories. (改为否定句)
Judy ____________ ____________ write stories.
2. Mr Li's family watch the CCTV news in the evening. (就画线部分提问)
____________ do Mr Li's family ____________ the CCTV news?
3. The reporter asked the girl, "Do you enjoy your volunteer work on weekends?" (改写句子,句意不变)
The reporter asked the girl ____________ she ____________ her volunteer work on weekends.
4. Should I arrive on time or a little later if someone invites me to dinner? (改写句子,句意不变)
Am I ____________ ____________ arrive on time or a little later if someone invites me to dinner?
5. Teachers can use cartoons to give examples in lessons about AIDS. (改为被动语态)
Cartoons can ____________ ____________ to give examples in lessons about AIDS.
医疗卫生事业的不断发展,是人口增长速度不断加快的原因之一.______.(判断对错)