1.选择题- (共3题)
2.下列是某兴趣小组探究狗胰腺分泌调节机制的部分实验步骤，分析不合理的是（ ）
实验组别 | 实验过程 | 实验现象 |
1 | 切取甲狗的一段小肠，刮取黏膜并用稀盐酸浸泡一段时间后，将其研磨液注入乙狗静脉 | 乙狗胰液分泌量大幅度增加 |
2 | 不用稀盐酸浸泡，直接将等量的甲狗小肠黏膜研磨液注入乙狗静脉 | 乙狗胰液分泌量不增加 |
3 | 直接将适量稀盐酸注射入乙狗静脉 | 乙狗胰液分泌量不增加 |
3.下列是某兴趣小组探究狗胰腺分泌调节机制的部分实验步骤，分析不合理的是（ ）
实验组别 | 实验过程 | 实验现象 |
1 | 切取甲狗的一段小肠，刮取黏膜并用稀盐酸浸泡一段时间后，将其研磨液注入乙狗静脉 | 乙狗胰液分泌量大幅度增加 |
2 | 不用稀盐酸浸泡，直接将等量的甲狗小肠黏膜研磨液注入乙狗静脉 | 乙狗胰液分泌量不增加 |
3 | 直接将适量稀盐酸注射入乙狗静脉 | 乙狗胰液分泌量不增加 |
2.单项选择- (共11题)
4.
Since this is the first time you have broken the law, you may be given a light _________.
| A．judge | B．prison |
| C．sentence | D．blame |
5.
The young couple offered a ________ of $5,000 for information about their missing son.
| A．present | B．reward |
| C．price | D．pay |
6.
He was by his colleagues though he himself didn’t think he had done anything special.
| A．thought little of | B．thought poorly |
| C．thought highly of | D．thought highly |
7.
It was reported that a chemical factory________ last night, which killed thirty workers.
| A．exploded | B．cracked |
| C．ruined | D．burst |
8.
Rather than _________ at home, he always prefers ________ out to play.
| A．stay; go | B．staying; go |
| C．stay; to go | D．to stay; going |
9.
The time he has devoted in the past years_________the disabled is now considered _________of great value.
| A．to help; being | B．to helping; to be | C．to help; to be | D．helping; being |
10.
The year 1949 ________ the birth of a new country—the People’s Republic of China.
| A．found | B．watched |
| C．noticed | D．saw |
11.
China is one of the countries ________ the Mekong River flows.
| A．in which | B．by which |
| C．across which | D．through which |
12.
________ is known to us, May 12, 2008 was the day _______ Wenchuan earthquake happened.
| A．Which; on which | B．It; when |
| C．As; which | D．As; when |
13.
I’m going to visit the factory ________ your brother worked a few years ago.
| A．that | B．in where |
| C．in which | D．what |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(11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：11
7星难题：0
8星难题：0
9星难题：0