问题
选择题
下列关于有机物的说法中，正确的是[ ]
A．乙烯、苯、乙醇均能使紫色的酸性高锰酸钾溶液褪色
B．乙烯和聚丙烯都能与氢气在一定条件下发生加成反应
C．油脂在碱性条件下可发生水解，工业上利用该反应生产肥皂
D．乙酸乙酯、油脂、葡萄糖、蛋白质都可以发生水解反应
答案
答案：C
搜题请搜索小程序“爱下问搜题”
下列关于有机物的说法中，正确的是[ ]
A．乙烯、苯、乙醇均能使紫色的酸性高锰酸钾溶液褪色
B．乙烯和聚丙烯都能与氢气在一定条件下发生加成反应
C．油脂在碱性条件下可发生水解，工业上利用该反应生产肥皂
D．乙酸乙酯、油脂、葡萄糖、蛋白质都可以发生水解反应
答案：C
下列句子均有一处错误，把正确答案写在题后的横线上（保持句子意思不变）。
| 1. There are four peoples in my family. | |
| 2. Are those your friend? | |
| 3. That is his father friend. | |
| 4. This isn't her bag. It's I bag. | |
| 5. -What are these? | |
| -These are apples. | |
| 6. Are they your grandparent? | |
| 7. -Dad, he is my friend, Tom. |
-Hello, Tom
8. Excuse me, is that yours watch?
9. Mr Green is Jim father.
10. What's a name of his cat?