1.选择题- (共1题)
1.用“侯氏制碱法”制得的纯碱常含有少量的氯化钠．将10g含有氯化钠的纯碱溶解于102.32g稀盐酸中，恰好完全反应，收集到3.52g的气体（假设生成的气体全部逸出）．
求：反应后得到的不饱和溶液中溶质的质量分数．
2.单项选择- (共5题)
2.
We are at your service. Don’t ______ to turn to us if you have any further problems.
| A．bend | B．hesitate |
| C．bite | D．punish |
3.
We will not such attacks, nor will we let them destroy our freedom to live peacefully and safely in the greatest city in the world.
| A．condemn | B．tolerate |
| C．shrink | D．undertake |
4.
Both men have been _______to life imprisonment because of robbery.
| A．choked | B．condemned |
| C．consisted | D．convinced |
5.
If your child tends to __________ children of her own age and push them round, try to arrange for him to play with older children who will have no trouble in holding their own.
| A．dominate | B．condemn |
| C．distinguish | D．assume |
试卷分析
-
【1】题量占比
选择题:(1道)
单项选择:(5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：3
7星难题：0
8星难题：2
9星难题：0