油气田天然气气体处理装置分馏出来的液态烃类混合物中,主要以()为主。
A.甲烷和乙烷
B.乙烷和丙烷
C.丙烷和丁烷
D.丁烷和戊烷
参考答案:C
句型转换。
1. I'm going to be a computer programmer.(对画线部分提问)
_______ _______ _______going to be?
2. He's going to move to Paris. (对画线部分提问)
_______is he going to move?
3.I am going home by ship next month.(对画线部分提问)
_______ _______ _______are you going home?
4. We are going to visit Japan next year. (对画线部分提问)
_______ _______ you_______ _______visit Japan?
5. We are going to have some lessons next week.(改为否定句)
We_______ _______ _______have _______ lessons next week.
是自己快乐也是别人快乐的一个简单秘诀是[ ]
A、欣赏和赞美
B、不要批评指正别人的过失
C、阿谀奉承
D、躲避别人的冷言冷语