1.综合题- (共2题)
（1）人类双眼皮与单眼皮在遗传学上称为一对_____性状
（2）4号的性染色体组成为_____，其中X染色体来自_____号，父母控制性状的基因通过_____传递给子女。
（3）若2号是单眼皮，5号是双眼皮，5号的基因组成是_____；若6号是单眼皮，5号和6号生下一个单眼皮孩子的几率是_____。
（4）7号和9号是表兄妹，从优生的角度分析，他们不能结为夫妻的原因是：后代患_____的机会大大增加。
（1）图中精子①的基因组成为_____；卵细胞②的基因组成为_____。
（2）子女③的基因组成为_____，③的性状为_____（填“白化病”或“肤色正常”）。
（3）子女④的基因组成为_____。
（4）④的性状为_____（填“白化病”或“肤色正常”）。
2.单选题- (共21题)
| A．为咨询对象及其家庭成员做相应的身体检查 |
| B．采用羊水穿刺检查等方法确定胎儿是否患有遗传病 |
| C．男女双方在自愿的情况下参加婚前检查 |
| D．根据夫妻双方家庭的遗传病史，提出终止妊娠的建议 |
| A．孩子的基因组成是AA |
| B．孩子的基因组成是AA或Aa |
| C．孩子的基因组成是Aa |
| D．孩子的基因组成是AA和Aa |
| A．EE或Ee | B．Ee或ee | C．Ee | D．ee |
| A．人的体细胞中多了一条染色体可能导致严重的遗传病 |
| B．染色体由蛋白质和DNA组成，它们都是主要的遗传物质 |
| C．每个DNA分子上都有许多具有遗传效应的基因 |
| D．科学实验证明，细胞中的DNA大多在染色体上 |
| A．人的体细胞中含有46条染色体 |
| B．猫的体细胞中含有19条染色体 |
| C．洋葱的体细胞中含有8对染色体 |
| D．玉米的体细胞中含有10对染色体 |
| A．①的性状,AA | B．②的性状,aa | C．①的性状,Aa | D．②的性状,Aa |
| A．是由遗传物质发生变化引起的疾病 | B．是一种可由亲代传给子代的遗传病 |
| C．严重时，患者红细胞破裂造成贫血 | D．在氧气浓度较高时细胞变成镰刀状 |
| A．变异对生物的生存都是不利的 |
| B．由环境引起的变异对生物生存都是有利的 |
| C．变异一旦出现，就可以遗传给后代 |
| D．由遗传物质变化引起的变异一般可遗传给后代 |
| A．一个DNA分子就是一条染色体 |
| B．一个DNA分子上只有一个基因 |
| C．一个DNA分子上有许多个基因 |
| D．一个细胞中只有一个DNA分子 |
A．Aa、50% B．AA、75% C．aa、25% D．aa、75%
3.选择题- (共5题)
B
Do you like reading stories? Maybe you will answer, "No, I am not a child any more!" Yes, children all over the world always love stories.
Chinese children are 1 in Monkey King's story. It 2 a popular bedtime story in China for many years. In fact, adults also love the story a lot. For them, Monkey King has become a very 3 part in the memory of their childhood. The clever and humorous monkey 4 the hearts of many Chinese people. British boys and girls all know Alice's Adventures in Wonderland well. As the name shows, it's a story full of dangerous but exciting trips. Children 5, cry and even get frightened(害怕的) with Alice together while reading the story. Most American kids have read The Adventures of Tom Sawyer, by the famous 6, Mark Twain. Everyone likes the brave boy who also has lots of 7. Some scenes(场景) of the story may make your heart go faster, for Tom and his friends meet some very bad men and are usually 8. Of course in the end, they beat the bad ones.
You may also ask me 9 I like stories. Yes, I have liked them since I was very young. At that time, I often 10 all my pocket money on story books. For me, stories are much more delicious than chocolate! They help me learn a lot. So either young or old, let's enjoy stories.
This is the first time John{#blank#}1{#/blank#}（visit）Xiao Li's hometown-Xiamen. It has been 6 years {#blank#}2{#/blank#}John and Xiao Li last saw each other and John thinks that this is one of the most{#blank#}3{#/blank#}．(attract) places that he has been to in China. Xiao Li says he feels fortunate living a city{#blank#}4{#/blank#}the coast in spite of so many{#blank#}5{#/blank#}(tour) in the summer.
There are some shopping malls from {#blank#}6{#/blank#} John could buy a few presents and a huge apartment block , but the rent for an apartment is very{#blank#}7{#/blank#}. After{#blank#}8{#/blank#}(leave)the business district , they approached the harbor.
Gulangyu Island is a gorgeous island with some interesting{#blank#}9{#/blank#}（architectural）.When they stopped, they had lunch in a fish restaurant because John is{#blank#}10{#/blank#} (starve).
4.填空题- (共6题)
-
【1】题量占比
综合题:(2道)
单选题:(21道)
选择题:(5道)
填空题:(6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：3
5星难题：0
6星难题：16
7星难题：0
8星难题：6
9星难题：4