卵圆窗
参考答案:鳃的后室缩小形成卵圆室,又称卵圆窗,是气体吸收区。
句型转换。
1. The students are playing basketball.(对划线部分提问)
_____ are the students _____?
2. Jack wants to be a reporter because he thinks it's interesting.(对划线部分提问)
_____ _____ Jack want to be a reporter?
3. Does your brother play computer games every day? (用now改写成现在进行时)
_____ your brother _____ computer games now?
4. How is the weather in Harbin? (改为同义句)
_____ the weather _____ in Harbin?
5. Next to the hotel is a small house. It has an interesting garden. (合并为一句)
There _____ a small house _____ an interesting garden next to the hotel.
投资比率,正常年份在()较合适。
A、0.6—0.7
B、0.7—0.8
C、0.8—0.9
D、0.9—1