1.非选择题- (共1题)
请回答问题：
（1）血管紧张素原在细胞内的合成场所是__________，血管紧张素Ⅱ分子中有__________个肽键。
（2）正常情况下，当血压偏低时，血浆中的肾素使血管紧张素原转变为生物活性较低的血管紧张素Ⅰ，血浆中的血管紧张素转换酶再将其转变成血管紧张素Ⅱ。血浆中的血管紧张素Ⅱ能够强烈地收缩血管，使血压__________到正常水平。这种体液调节机制为__________调节。
（3）降压药“依那普利”为血管紧张素转换酶的抑制剂。高血压患者服用“依那普利”，是通过抑制__________的生成，起到降压作用。
2.单选题- (共9题)
| A．催化反应②和④的酶都存在于细胞质基质中 |
| B．图中物质c为[H]，它只在有氧呼吸过程中产生 |
| C．图中①②过程主要发生在小麦种子萌发的早期，其中e为ATP |
| D．①④③过程为有氧呼吸的三个阶段，其中物质a、d分别是丙酮酸和O2 |
| A．水既是生化反应的介质，也为细胞提供生存的液体环境 |
| B．糖类是细胞的主要能源物质，所以活细胞中糖类的含量比脂质高 |
| C．蛋白质是生命活动的体现者，膜蛋白有的作载体有的作受体 |
| D．核酸能贮存遗传信息，但在细胞中DNA是遗传物质，RNA不是 |
| A．α—鹅膏蕈碱是一种环状八肽，分子中含有7个肽键 |
| B．蛋白质是由1条或多条肽链构成的 |
| C．蛋白质变性是由于肽键的断裂造成的 |
| D．变性的蛋白质不能与双缩脲试剂发生紫色反应 |
B. 
C. 
D. 
| A．甲部分细胞检测到放射性，乙所有细胞都能检测到放射性 |
| B．甲所有细胞检测到放射性，乙只有局部区域细胞检测到放射性 |
| C．甲、乙所有细胞都能检测到放射性 |
| D．甲、乙所有细胞都不能检测到放射性 |
| A．质粒中没有游离的磷酸基团 |
| B．构成糖原和淀粉的基本单位是相同的 |
| C．动物和某些低等植物细胞中的中心体功能是相同的 |
| D．蛙成熟的红细胞中没有细胞核进行无丝分裂 |
| A．维生素D不是能源物质，但能有效地促进对钙和磷的吸收 |
| B．补铁将有助于缺铁性贫血的治疗 |
| C．血钙过低会出现肌肉抽搐等症状 |
| D．人体对钙、铁、锌、硒等无机盐的吸收与吸水无关 |
A. 0〜4 h内物质A没有通过细胞膜进入细胞内
B. 0〜1 h内细胞体积与原生质体体积的变化量相等
C. 2〜3 h内物质A溶液的渗透压小于细胞液的渗透压
D. 0〜1 h内液泡中液体的渗透压大于细胞质基质的渗透压
3.选择题- (共1题)
Do you remember the last time you read a book, or a magazine? Is checking e-mails or updating microblog your daily reading habit? If you're one of those who don't make a habit of reading regularly, you might be really out.{#blank#}1{#/blank#}
Stress Reduction
No matter how much pressure you have at work, in your personal relationships, or other issues in daily life, it all just slips away when you lose yourself in a great story.{#blank#}2{#/blank#}
Knowledge
Everything you read fills your head with new information, and you never know when it might come into use.{#blank#}3{#/blank#}Besides, you might lose everything else—your job, your money, even your health, but knowledge can never be taken from you.
Vocabulary Expansion
{#blank#}4{#/blank#} As a result, this will gradually enlarge your everyday vocabulary. Then you might become more knowledgeable and well-spoken, which can increase your self confidence and even help you get promotions more quickly.
Better Writing Skills
Exposure to well-written work has a great effect on your own writing. In other words, writing styles of other authors will influence your own work.{#blank#}5{#/blank#}
Now that reading has so many benefits, step away from your computer and go hunting for something new to read!
A. Here are some benefits of reading.
B. Here are some suggestions for your health.
C. The more you read, the more words you gain exposure to.
D. This goes hand-in-hand with the expansion of your vocabulary.
E. A well-written novel can bring you pleasure, and allow you to relax.
F. The more knowledge you have, the better-equipped you are for your life.
G. That is why beginners always learn how to write by reading the works of others.
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【1】题量占比
非选择题:(1道)
单选题:(9道)
选择题:(1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：9
7星难题：0
8星难题：0
9星难题：1