1.选择题- (共6题)
2.表为3个不同小麦杂交组合及其子代的表现型和植株数目．已知抗病、感病为一对相对性状，受一对等位基因的控制（用A、a表示）；红种皮、白种皮为一对相对性状，受一对等位基因的控制（用B、b表示）；两对基因的遗传彼此独立，互不干扰．请根据如表内容回答下列各小题．
组合序号 | 杂交组合类型 | 子代的表现型和植株数目 | |||
抗病 红种皮 | 抗病 白种皮 | 感病 红种皮 | 感病 白种皮 | ||
一 | 抗病、红种皮×感病、红种皮 | 416 | 138 | 410 | 135 |
二 | 抗病、红种皮×感病、白种皮 | 180 | 184 | 178 | 182 |
三 | 感病、红种皮×感病、白种皮 | 140 | 136 | 420 | 414 |
2.单项选择- (共9题)
7.
In face of failure, it is the most important to keep up good state of mind.
| A．不填, a | B．a, 不填 | C．the, a | D．不填, the |
8.
Though it was noisy here, he _______reading.
| A．got on | B．carried out | C．went on with | D．carried on |
9.
Yesterday I _______ an old friend of mine at the shopping mall.
| A．came up | B．came out | C．came across | D．came down |
10.
Young drivers are____ to have accidents than old drivers.
| A．likely | B．most likely | C．more likely | D．much likely |
11.
How I was _______when I heard the _______ news!
| A．excited; excited | B．excited; exciting |
| C．exciting; exciting | D．exciting; excited |
12.
_______, a learned man makes fewer mistakes in life than a man without knowledge.
| A．In general | B．As general |
| C．On general | D．At general |
14.
When different cultures, we often pay attention only to the differences without noticing the similarities.
| A．compared | B．being compared | C．to compare | D．comparing |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(9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：9
7星难题：0
8星难题：0
9星难题：0