1.选择题- (共10题)
5.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 |
6.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 |
8.如图为人体内体温与水平衡调节的示意图,有关叙述正确的是( )
①当受到寒冷刺激时,a、b、c、d激素的分泌均会增加
②c、d激素分泌增多,可促进骨骼肌与内脏代谢活动增强,产热量增加
③下丘脑是感觉体温变化的主要中枢,是形成冷觉、热觉的部位
④寒冷刺激使下丘脑分泌促甲状腺激素释放激素,通过促进甲状腺的活动来调节体温
⑤图中的e激素是由下丘脑神经内分泌细胞产生的
⑥由图可知人体对体温与水平衡的调节主要是体液调节的结果.
2.单项选择- (共13题)
11.
It was _____ terrible earthquake and _____ number of people who were killed reached more than 20,000.
A.a; the | B.the; a | C.the; the | D.a; a |
12.
Believe it or not, the ancient Chinese painting is worth more than _____ dollars!
A.two million | B.two million of | C.two millions | D.two millions of |
13.
That hero who died in the war was so brave that he never ____ ____ to the enemies until death.
A.gave up | B.gave out | C.gave in | D.gave away |
14.
Buses here are always crowded with passengers, so I prefer _____ there rather than take a bus.
A.cycle | B.cycling | C.to cycle | D.being cycled |
15.
Not knowing what to do next, the girl _____ her parents for advice.
A.turned to | B.set up | C.escaped from | D.blew up |
16.
The actor isn’t as young as he appears. _____, he is already in his fifties.
A.As a matter of fact | B.On the other hand |
C.By the way | D.In other words |
17.
We’re in a stage ________ it’s still too early to say who will win the most votes and become the new President.
A.that | B.where |
C.which | D.what |
18.
Linda went to a party with a girl , _____ favorite hobby is collecting stamps.
A.who | B.whom | C.whose | D.which |
19.
----Have you found the mobile phone _____ you lost last week?
----No, but I’ve just bought a new one.
----No, but I’ve just bought a new one.
A.what | B.whose | C.whom | D.which |
20.
Mr Green asked Lily ______ she had written to her father _____.
A.whether ; the day before | B.whether ; yesterday |
C.that ; the day before | D.that ; yesterday |
21.
It was on my way to school this morning _____ I picked up this wallet.
A.where | B.that | C.when | D.how |
22.
I failed in the job interview and only then _____ the importance of learning English well.
A.I realized | B.I had realized | C.did I realize | D.had I realized |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(13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:10
7星难题:0
8星难题:3
9星难题:0