1.选择题- (共15题)
11.
某化学学习小组讨论辨析以下说法：①纯净水和矿泉水都是纯净物；②用活性炭可将硬水进行软化；③太阳能、风能和天然气都是可再生能源；④霉变的大米只要洗干净就可放心食用；⑤合金的强度和硬度一般比组成它们的纯金属更高、抗腐蚀性能更好；⑥回收利用废旧金属不仅可以节约金属资源，还可以减少对环境的污染。其中正确的是（ ）
12.
某化学学习小组讨论辨析以下说法：①纯净水和矿泉水都是纯净物；②用活性炭可将硬水进行软化；③太阳能、风能和天然气都是可再生能源；④霉变的大米只要洗干净就可放心食用；⑤合金的强度和硬度一般比组成它们的纯金属更高、抗腐蚀性能更好；⑥回收利用废旧金属不仅可以节约金属资源，还可以减少对环境的污染。其中正确的是（ ）
2.单项选择- (共10题)
16.
.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
| A．the rhe | B．不填 the | C．the不填 | D．a the |
17.
The three sisters decided to hold a family party to _______their parents’ silver wedding .
| A．celebrate | B．memorize | C．congratulate | D．welcome |
18.
Little Tom admitted _____ in the examination, _____ that he wouldn’t do that in future.
| A．to cheat; to promise | B．cheating; promise |
| C．having cheated; promising | D．to have cheated; promised |
19.
_____ in time for Christmas，all these gifts must be mailed immediately
| A．So as to be received | B．In order to receive |
| C．So as to be receiving | D．In order to be received |
20.
We were astonished __________the temple still in its original condition.
| A．finding | B．to find | C．find | D．to be found |
21.
____ and shy, the boy thrust the flowers at his girl friend.
| A．Embarrassing | B．Embarrassed |
| C．Being embarrassed | D．To embarrass |
22.
The Beijing Olympic Games has been the biggest ________ Games in the world.
| A．live | B．lively | C．alive | D．living |
23.
_____ is certain is ______ the mystery of Stonehenge has never been fully explained.
| A．It, that | B．What, what |
| C．It, what | D．What, that |
24.
It was many years ____ American women were given the rights to vote.
| A．when | B．since | C．before | D．as |
试卷分析
-
【1】题量占比
选择题:(15道)
单项选择:(10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：1
5星难题：0
6星难题：5
7星难题：0
8星难题：4
9星难题：0