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【单选题】
下列关于病毒和细菌的说法正确的是A.
硝化细菌中不存在既有蛋白质又有核酸的结构
B.
大肠杆菌拟核环状 DNA 上含有控制所有性状的基因
C.
肺炎双球菌中由 G 、 C 、 T 、 U 组成的核苷酸有 6 种
D.
T2 噬菌体的遗传物质主要是 DNA
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反馈参考答案：
举一反三
【单选题】How many people can inside staterooms accomodate?
A.
4-6
B.
2-4
C.
6-8
D.
More than 10
【简答题】For many, the ultimate deposit to the emotional bank account comes in ______.
【单选题】Into what kind of account can a savings deposit be transferred at the same bank?
A.
A time deposit account of the depositor.
B.
A demand deposit account of the depositor.
C.
A NOW account of the depositor.
D.
A fixed time account of the depositor.
【单选题】An account that two or more people hold is a ______.
A.
joint account
B.
term -deposit account
C.
savings account
【简答题】A．She admires Steve's relationship with his father. B．She does not know Steve or his father. C．Her daughter is older than Steve. D．She disagrees with the man.
【单选题】How many types of staterooms are there on contemporary cruise?
A.
Five
B.
Four
C.
Three
D.
Two
【单选题】How many staterooms is one stateroom attendant usually in charge of on the cruise ship?
A.
10-13 staterooms
B.
20-15 staterooms
C.
15-18 staterooms
D.
19-23 staterooms
【单选题】下列描述错误的是( )。
A.
直流负反馈是直接耦合放大电路当中的反馈
B.
交流负反馈是存在于交流通路中的反馈
C.
负反馈可以降低放大电路的增益
D.
正反馈可以提高放大电路当中的增益
【单选题】Which of the below is not a deposit account?
A.
Trade deficit account
B.
Savings account
C.
CD
D.
ISA
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