1.选择题- (共1题)
1.X、Y、Z、W、R是短周期元素，原子序数依次增大．X原子核外各层电子数之比为1：2，Y原子和Z原子的核外电子数之和为20，W和R是同周期相邻元素，Y的氧化物和R的氧化物均能形成酸雨．
请回答下列问题：
2.单项选择- (共10题)
2.
Mr. and Mrs. Scott prefer a trip in a small town to in so large a city as New York．
| A．this | B．one | C．it | D．that |
3.
When first _______ to the market, the products didn’t attract much attention.
| A．introducing | B．introduced |
| C．was introduced | D．being introduced |
4.
一My cousin would like to risk the weight-loss pills rather than in a gym．
—Really? She must be mad．
—Really? She must be mad．
| A．to take；work out | B．to take；working out |
| C．taking；working out | D．taking；work out |
5.
It was too hard for the firefighters to get close to the burning building. All their attempts to rescue the people trapped were ______.
| A．in place | B．in return |
| C．in vain | D．in danger |
6.
Located __ the eastern coast of the sea, the village is fairly new ___ only a small population of less than 3,000.
| A．off; with | B．on; with |
| C．in; of | D．on; in |
7.
There’s no doubt ______ the famous professor will come to give us a lecture.
| A．if | B．that | C．what | D．whether |
8.
I was close to being killed the day before yesterday. A truck passed me at ________ I thought was a crazy speed.
| A．what | B．which | C．as | D．that |
9.
Faced with trouble or difficulty，a person takes _______help that is available．
| A．whatever | B．whenever |
| C．wherever | D．however |
10.
Almost everyone has his own strengths and weaknesses. It is others are weak that maybe you have a great advantage.
| A．as | B．where | C．that | D．what |
试卷分析
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【1】题量占比
选择题:(1道)
单项选择:(10道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：2
5星难题：0
6星难题：8
7星难题：0
8星难题：0
9星难题：0