1.选择题- (共9题)
6.下面有关生物实验的叙述中错误的一组是 ( )
①将糖尿病病人的尿液加入斐林试剂,混匀后呈现砖红色沉淀
②纸层析法分离叶绿体色素的实验结果表明,叶绿素b在层析液中溶解度最低
③观察洋葱根尖细胞有丝分裂时,品质好的高倍镜可以看到细胞从分裂前期到末期的变化
④观察细胞质壁分离时,浸润在0.3g/mL蔗糖溶液中的紫色洋葱表皮细胞液泡颜色变深了
⑤用高倍镜观察线粒体可用健那绿染色,使线粒体呈现灰绿色
⑥在观察DNA和RNA在细胞中的分布可用甲基绿吡罗红染色剂染色
①将糖尿病病人的尿液加入斐林试剂,混匀后呈现砖红色沉淀
②纸层析法分离叶绿体色素的实验结果表明,叶绿素b在层析液中溶解度最低
③观察洋葱根尖细胞有丝分裂时,品质好的高倍镜可以看到细胞从分裂前期到末期的变化
④观察细胞质壁分离时,浸润在0.3g/mL蔗糖溶液中的紫色洋葱表皮细胞液泡颜色变深了
⑤用高倍镜观察线粒体可用健那绿染色,使线粒体呈现灰绿色
⑥在观察DNA和RNA在细胞中的分布可用甲基绿吡罗红染色剂染色
2.单项选择- (共13题)
10.
—You are always full of _______.Can you tell me the secret?
—Taking plenty of exercise every day.
—Taking plenty of exercise every day.
A.power | B.strength | C.force | D.energy |
11.
He makes people pleased with _______ by making them first pleased with _______.
A.them, himself | B.himself, them |
C.him, them | D.him, themselves |
12.
—How about _______ Christmas evening party?
—I should say it was _______ success.
—I should say it was _______ success.
A.a;a | B.the;a | C.a;不填 | D.the;不填 |
13.
We held a party on Christmas Eve at a hall _______ with colourful balloons and flowers.
A.to decorate | B.decorating | C.decorated | D.being decorated |
14.
Can you imagine _______ alone on the lonely island for ten years?
A.him to live | B.him lived | C.him living | D.he lives |
15.
-- I have warned him of the danger but he insisted on going there alone.
-- What a _______ boy!
-- What a _______ boy!
A.stubborn | B.devoted | C.curious | D.helpful |
16.
After the heavy snow, many students helped to clear away the snow ______ in our school.
A.willingly | B.sincerely | C.properly | D.calmly |
17.
I like this jacket better than that one, but it costs almost three times _______.
A.as much | B.as many as | C.so much as | D.so many |
18.
Nowadays some people choose jobs for other reasons _______ money.
A.for | B.except | C.besides | D.with |
19.
He is always helping people without expecting anything _______.
A.in turn | B.in charge | C.in return | D.in trouble |
20.
After several months’ voyage, they came to _______ was called the “New World”.
A.what | B.where | C.that | D.which |
21.
We went through a period_______ communications were very difficult in the countryside.
A.which | B.in which | C.whose | D.with which |
试卷分析
-
【1】题量占比
选择题:(9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:13
7星难题:0
8星难题:0
9星难题:0