具有高度的自由选择与很强的内在动机的活动称为()
A、休闲活动
B、必需的非工作活动
C、自由时间的活动
D、必须的工作活动
参考答案:A
句型转化。
1. I like to make the bed because it's relaxing.(就画线部分提问)
______ ______you like to make the bed?
2. He went to bed at 10:30 last night.(改为同义句)
He ______ ______ to bed ______ 10:30 last night..
3. Could I hang out with my friends'(作否定回答)
No______ ______.
4. He did the washing this morning.(改为否定句)
He ______ ______the washing this morning.
在制冷系统安装中,尽可能减少管道()。
A.长短
B.壁厚
C.重量
D.弯曲