教学策略具有综合性、灵活多样性和____等基本特征。
参考答案：可操作性
读句子，写问句。
1. __________________________________________?
Yes, I can fly kites.
2. __________________________________________?
Mike is listening to music.
3. __________________________________________?
The library is near the bookstore.
4. __________________________________________?
I have a toothache.
5. __________________________________________?
I went to Beijing by plane.
所有吸入麻醉药的MACawake与MAC的比值基本上均为（）。
A.0.2
B.0.4
C.0.6
D.0.8
E.1.0
