1.选择题- (共9题)
6.从某动物个体的睾丸中取出的两个精细胞的染色体组成如图，图中染色体的黑色和白色分别代表染色体的来源来自父方和母方。如果不考虑染色体交叉互换,关于这两个精细胞的来源的猜测，错误的是（ ）
8.孟德尔一对相对性状的杂交实验中，实现3:1的分离比必须同时满足的条件是（ ）
①观察的子代样本数目足够多 ②F1形成的两种配子数目相等且生活力相同 ③雌、雄配子结合的机会相等
④F2不同基因型的个体存活率相等⑤等位基因间的显隐性关系是完全的
9.小麦高秆(D)对矮秆(d)显性、抗病(T)对染病(t)为显性，两对基因独立遗传，用纯种高秆抗病和矮秆染病两品种作亲本选育矮秆抗病类型，在F2矮秆抗病类型中能稳定遗传的植株占 （ ）
2.单项选择- (共11题)
10.
— How beautiful the dress looks ____ you! Don’t you want _____, Madam?
— Please show me _______.
— Please show me _______.
| A．in; one; another | B．on; it; another |
| C．in; it; the other | D．on; one; the other |
12.
To stay safe in the forest at night, we should try hard to keep the fire _______.
| A．burning | B．burnt |
| C．to be burning | D．being burnt |
13.
If _______ in class, you will have to clean the classroom for a week as a punishment.
| A．caught sleeping | B．caught to be sleeping |
| C．catching sleeping | D．to catch to sleep |
14.
The video games the boy was quite fond of _____ him so much pleasure during his childhood.
| A．bringing | B．brought |
| C．to bring | D．having brought |
15.
----- Why are you so _____ to get the part-time job, Joseph?
----- I am in great need of money to support myself through college.
----- I am in great need of money to support myself through college.
| A．desperate | B．critical |
| C．cautious | D．accurate |
16.
After a day’s hard labor on the farm, my parents came home late, ________.
| A．being exhausted | B．exhausted |
| C．having exhausted | D．exhausting |
17.
.At the ceremony, the president delivered a thank-you speech _____ the company.
| A．on account of | B．in charge of |
| C．on behalf of | D．in terms of |
18.
_____ that I went straight to Jenny and told her we weren’t going to be friends any more because she couldn’t keep her word.
| A．So angry I was | B．So angry was I |
| C．So I was angry | D．Was I angry so |
19.
I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me..
| A．that | B．when |
| C．which | D．Where |
试卷分析
-
【1】题量占比
选择题:(9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