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【单选题】
当今的信息技术,主要是指A.
计算机技术
B.
网络技术
C.
计算机和网络通信技术
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反馈参考答案：
举一反三
【简答题】物质生活质量指数（POLI）
【单选题】The television programme is called 'Police Five', because it is about the work of the police and ______.
A.
it is on for five times every seven days
B.
it lasts five minutes a week
C.
it begins at five in the afternoon
D.
it is a programme about five policemen
【单选题】According to the passage, which of the following statements is wrong?
A.
Modern African politicians approve of tribal divisions.
B.
A person is usually taken care of by his own tribe.
C.
Africans consider it an obligation to give a job to a fellow tribesman.
D.
Tribalism is still a powerful force in day-to-day African life.
【单选题】关于DNA-polI的叙述错误的是()
A.
5′→3′外切酶活性能切除引物
B.
5′→3′外切酶活性切除突变片段
C.
3′→5′外切酶活性水解错配碱基
D.
填补切除引物出现的空隙
E.
催化随从链的延长
【单选题】According to the passage, what will be the consequence if the present trend goes on?
A.
Political turmoil.
B.
Excess taxes.
C.
Low productivity.
D.
Tight labor market.
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