1.选择题- (共9题)
6.呼吸商又称气体交换率（简称RQ)，指生物体在同一时间内，释放二氧化碳与吸收氧气的体积之比或摩尔数之比（即RQ= {#mathml#}{#/mathml#} ），可作为描述细胞呼吸过程中氧气供应状态的一种指标。甲图是酵母菌氧化分解葡萄糖过程中氧分压与呼吸商的关系，乙图是酵母菌在不同氧气浓度下的两种细胞呼吸类型和二氧化碳生产量，据图分析判断，以下叙述正确的是( )
7.呼吸商又称气体交换率（简称RQ)，指生物体在同一时间内，释放二氧化碳与吸收氧气的体积之比或摩尔数之比（即RQ= {#mathml#}{#/mathml#} ），可作为描述细胞呼吸过程中氧气供应状态的一种指标。甲图是酵母菌氧化分解葡萄糖过程中氧分压与呼吸商的关系，乙图是酵母菌在不同氧气浓度下的两种细胞呼吸类型和二氧化碳生产量，据图分析判断，以下叙述正确的是( )
8.下列实验方案设计不合理的是（ ）
选项 | 实验内容 | 操作或所用试剂 |
A | 鉴别硬水和软水 | 加肥皂水 |
B | 鉴别硫酸铵和硫酸钾 | 加熟石灰，混合研磨 |
C | 除去CO2中混有的HCl | 通入足量的NaOH溶液 |
D | 除去氯化钾中的二氧化锰 | 加水溶解、过滤、蒸发 |
9.下列实验方案设计不合理的是（ ）
选项 | 实验内容 | 操作或所用试剂 |
A | 鉴别硬水和软水 | 加肥皂水 |
B | 鉴别硫酸铵和硫酸钾 | 加熟石灰，混合研磨 |
C | 除去CO2中混有的HCl | 通入足量的NaOH溶液 |
D | 除去氯化钾中的二氧化锰 | 加水溶解、过滤、蒸发 |
2.单项选择- (共12题)
10.
In a(n) _____ to help preserve history, the Greek government established a committee to undertake the professional restoration of the Acropolis.
| A．order | B．purpose | C．aim | D．gesture |
11.
No one has had _____ greater impact on ______ Western civilization than the ancient Greeks.
| A．a; the | B．a ; / |
| C．the ; / | D．/ ; the |
12.
The manager needs an assistant that he can _____ to take care of problems in his absence.
| A．count on | B．count in | C．count up | D．count out |
13.
Look, the moon is shining high in the sky; the weather is _______ be fine tomorrow.
| A．probable to | B．turned out to |
| C．bound to | D．eager to |
14.
Another group of Qing Tombs sits about 100 kilometres ______ of Beijing．
| A．at the west | B．the west |
| C．to west | D．west |
15.
These car payments are going to put me ______ again.
| A．green with envy | B．in the red |
| C．in the black | D．tickled pink |
16.
Wanda Plaza in Wuxi is _____ a shopping center．You can do almost anything there．
| A．no more than | B．not more than |
| C．more than | D．rather than |
17.
In some places women are expected to earn money _______ men work at home and raise their children.
| A．while | B．though |
| C．because | D．but |
18.
The beginning of the story is excellent, ______________ is the ending, ______________ leaves us much to think.
| A．as；which | B．so；that |
| C．as；that | D．such；which |
19.
After the flooding, people were suffering in that area, _______urgently needed clean water, medicine and shelter to survive.
| A．which | B．what | C．where | D．who |
20.
______, I think, the problems can be settled in no time.
| A．A bit more efforts |
| B．Keep up your spirits |
| C．If you double your efforts |
| D．Making greater efforts |
试卷分析
-
【1】题量占比
选择题:(9道)
单项选择:(12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：12
7星难题：0
8星难题：0
9星难题：0