1.单选题- (共4题)
A.从煤焦油中分离出苯、甲苯等有机物 |
B.食醋是常用的调味品,其中含有乙酸 |
C.油脂的皂化反应在酸性的条件下进行 |
D.糖类和蛋白质都是人体重要的营养物质 |
A.CH4+Cl2![]() |
B.![]() ![]() ![]() |
C.2CH3CH2OH+O2![]() |
D.CH3COOCH2CH3+H2O ![]() |
A.人类利用的能源都是通过化学反应获得的 |
B.煤、石油、天然气是不可再生能源 |
C.在农村提倡利用沼气作生活燃料 |
D.未来可用乙醇代替汽油作汽车燃料 |
2.选择题- (共1题)
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1)每处错误及其修改均仅限一词。
2)只允许修改10处,多者(从第11处起)不计分。
My grandmother loves me very much. She is a easy-going woman. However, when it come to my study, she is very strictly. She spends more than one hour examine my homework every day. With my help, I have been doing well in my study. My grandmother is also kind to her neighbors and always ready help them. One day, a boy whom is one of her neighbors injured his leg for carelessly. My grandmother took the boy to the hospital at once and pays the fees with her own savings. Now she is living in another city with my aunt. We all miss her very much but I hope that I can go to visit her soon.
3.多选题- (共1题)
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【1】题量占比
单选题:(4道)
选择题:(1道)
多选题:(1道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:5
7星难题:0
8星难题:0
9星难题:0