1.选择题- (共7题)
1.“甲基绿—派洛宁”染液能够对细胞内的DNA和RNA染色，从而分析DNA和RNA在细胞中的存在和分布。下列关于“甲基绿—派洛宁”染液的叙述中，正确的选项有几项？
①“甲基绿—派洛宁”是碱性染料
②“甲基绿—派洛宁”能把DNA和RNA分别染成绿色和红色
③“甲基绿—派洛宁”中的甲基绿易与聚合程度高的DNA结合
④用“甲基绿—派洛宁”染液对口腔上皮细胞染色，细胞核呈绿色
①“甲基绿—派洛宁”是碱性染料
②“甲基绿—派洛宁”能把DNA和RNA分别染成绿色和红色
③“甲基绿—派洛宁”中的甲基绿易与聚合程度高的DNA结合
④用“甲基绿—派洛宁”染液对口腔上皮细胞染色，细胞核呈绿色
2.单项选择- (共6题)
8.
All the staff in our company are considering ___ to the city center for the fashion show.
| A．to go | B．having gone | C．to have gone | D．going |
9.
___ you have finished your homework, you can go and play with your friends.
| A．As if | B．So that | C．Even if | D．Now that |
10.
The hill ____ is covered with tress is called Huang Hill.
| A．of which top | B．whose the top |
| C．whose top | D．top which |
11.
All of us don’t believe the fact__ our best student failed in the competition.
| A．that | B．which | C．when | D．why |
12.
Only by shouting at the top of his voice, ___.
| A．he was able to make himself hear |
| B．was he able to make himself hear |
| C．was he able to make himself heard |
| D．he was able to make himself heard |
试卷分析
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【1】题量占比
选择题:(7道)
单项选择:(6道)
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【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：6
7星难题：0
8星难题：0
9星难题：0