1.选择题- (共6题)
3.按要求书写下列化学方程式
①甲苯与浓硝酸、浓硫酸混合后在100℃时发生反应：{#blank#}1{#/blank#}
②2﹣甲基﹣1，3﹣丁二烯与等物质的量的溴在60℃时发生1，4﹣加成的反应：{#blank#}2{#/blank#}
③乙醛与银氨溶液水浴加热{#blank#}3{#/blank#}．
4.按要求书写下列化学方程式
①甲苯与浓硝酸、浓硫酸混合后在100℃时发生反应：{#blank#}1{#/blank#}
②2﹣甲基﹣1，3﹣丁二烯与等物质的量的溴在60℃时发生1，4﹣加成的反应：{#blank#}2{#/blank#}
③乙醛与银氨溶液水浴加热{#blank#}3{#/blank#}．
6. PTT是近几年来迅速发展起来的新型热塑性聚酯材料，具有优异性能，能作为工程塑料、纺织纤维和地毯等材料而得到广泛应用．其合成路线可设计为：
其中A、B、C均为链状化合物，A能发生银镜反应，B中不含甲基．请回答下列问题：
2.单项选择- (共8题)
7.
Carter was saying all the right things, but his smile was ________, and I knew I couldn't trust him.
| A．preferential | B．artificial |
| C．confidential | D．beneficial |
8.
It can’t be denied that the Diaoyu Islands are ________ part of China and what some Japanese have done recently is actually ________ offence against Chinese people.
| A．a; / | B．a; the | C．the; / | D．/; an |
9.
Look! If we had begun to do the work yesterday morning, we _____ ourselves just like them．
| A．would have enjoyed | B．were to enjoy |
| C．should enjoy | D．would be enjoying |
10.
All the employees at the company are _______ their business as usual.
| A．going for | B．going through | C．going about | D．going by |
11.
Compared with the other players on the team, that footballer was short. But his speed _______ his small size.
| A．compensated for | B．headed for | C．applied for | D．pushed for |
13.
It cost her much to have broken the law. I wonder why she stole things ______ she could easily afford them.
| A．when | B．unless | C．in case | D．so that |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(8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：7
7星难题：0
8星难题：1
9星难题：0