1.选择题- (共13题)
1.已知果蝇的灰身与黑身是一对相对性状（由基因A，a控制）；圆眼与棒眼是一对相对性状（由基因B，b控制）．现有两只果蝇杂交，所得F1表现型及数量（只）如表所示．请分析回答：
黑身圆眼 | 黑身棒眼 | 灰身圆眼 | 灰身棒眼 | |
雄蝇 | 23 | 26 | 82 | 75 |
雌蝇 | 0 | 50 | 0 | 156 |
2.以下二倍体生物的细胞中含有两个染色体组的是（ ）
①有丝分裂中期细胞 ②有丝分裂后期细胞
③减数第一次分裂中期细胞 ④减数第二次分裂中期细胞
⑤减数第一次分裂后期细胞 ⑥减数第二次分裂后期细胞．
3.以下二倍体生物的细胞中含有两个染色体组的是（ ）
①有丝分裂中期细胞 ②有丝分裂后期细胞
③减数第一次分裂中期细胞 ④减数第二次分裂中期细胞
⑤减数第一次分裂后期细胞 ⑥减数第二次分裂后期细胞．
4.以下二倍体生物的细胞中含有两个染色体组的是（ ）
①有丝分裂中期细胞 ②有丝分裂后期细胞
③减数第一次分裂中期细胞 ④减数第二次分裂中期细胞
⑤减数第一次分裂后期细胞 ⑥减数第二次分裂后期细胞．
7.假设一个双链均被32P标记的噬菌体DNA由5000个碱基对组成，其中腺嘌呤占全部碱基的20%．用这个噬菌体侵染只含31P的大肠杆菌，共释放出100个子代噬菌体．下列叙述正确的是（ ）
8.假设一个双链均被32P标记的噬菌体DNA由5000个碱基对组成，其中腺嘌呤占全部碱基的20%．用这个噬菌体侵染只含31P的大肠杆菌，共释放出100个子代噬菌体．下列叙述正确的是（ ）
2.单项选择- (共11题)
14.
As birthplace of Huaxia civilization，Xi' an is city with a long history and abundant cultural relics.
| A．the；a | B．a；a | C．/;a | D．the；／ |
15.
In a new study of African elephants，researchers have four distinct characters that are among a group.
| A．convinced | B．identified | C．differed | D．existed |
16.
Online music providers in China hope to set up a plan that will charge individual users for music
| A．prints | B．projects | C．records | D．downloads |
17.
一 I turn on the TV for you，Grandpa?
一Yes，thanks a lot，my dear. You’re so considerate.
一Yes，thanks a lot，my dear. You’re so considerate.
| A．May | B．Shall | C．Will | D．Need |
18.
I really appreciate to drive me home，but I am afraid that I have to finish my work first now.
| A．you to offer | B．it you offer |
| C．your offering | D．this you are offering |
19.
with the medicine shipped from China，the patient got fully recovered two days later.
| A．Being treated | B．Treated | C．To treat | D．Treating |
20.
一Hello！Friendship Hotel. Can I help you？
----Do you have a room with a double bed for Saturday?
----Do you have a room with a double bed for Saturday?
| A．available | B．empty | C．possible | D．useful |
21.
The sentence，which puzzled John，was also me and we had to turn to our English teacher for help.
| A．beyond | B．over | C．after | D．off |
22.
Mo Yan’s novel，Red Sorghum， was made into a film，won the Golden Bear at the Berlin Film Festival in 1988．
| A．that | B．which | C．what | D．it |
23.
Only when you are living in a foreign country the importance of English.
| A．you can realize | B．you realized | C．did you realize | D．can you realize |
试卷分析
-
【1】题量占比
选择题:(13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：1
5星难题：0
6星难题：10
7星难题：0
8星难题：0
9星难题：0