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【单选题】
根据下列文章,请回答 51~65 题。 What is Anthrax(炭疽)? There’s been A lot of talk about anthrax on the news lately.Some people are worried. that anthrax may be connected.to terrorist attacks or that terrorists may spread the germ that________(1)the disease.Federal offiCials and.poliCe are investigating this and.taking________ (2)to protect US. In the meantime,it's important not to panic.over anthrax.The chances that you and.your family________ (3)at risk are very tiny.One of the ways you can feel better is to learn about anthrax.When you know what it is and________ (4)you can get it,it doesn’t seem quite as scary. S0,what________ (5)is anthrax? Here are the facts on anthrax: Anthrax is a bacterial infection caused.by agerm.Although it's most common in farm________ (6),like sheep,COWS,pigs,horses,and.goats,there’s a very small chance that people can get it,too. Anthrax spores(孢子)a version of the germ in a protective shell that can live in the soil for years)cause the disease. People may get anthrax if they are exposed.to anthrax________ (7) But here’s the important part:just being exposed.to these spores doesn’t mean that a person will get________ (8). For a person to get sick,he would.have to breathe in thousands of these spores nit the way into his________ (9).0r he have to eat meat contaminated.with anthrax OF handle________ (10)that has anthrax spores,This may sound.scary,but even when A.person comes________ (11)contact with the spores,it’s unlikely that he get siCk.________ (12)the bacteri a do not get into the skin,digestive tract,or lun9,the disease won’t develop. Anthrax is not spread.from person to person the way the flu can spread.from family member to________ (13)member or classmate to classmate. Anthrax can almost always be successfully treated.with antibiotiCs(抗生紊). Anthrax is very rare.Until recently, anthrax wasn’t even talked.about because it was so rare——and.it still________ (14) Even with all of the anthrax cases you are hearing about right now,A person’s chances of getting anthrax are about the________(15)as they were before you head.about anthrax on the news——very, very low. 第 51 题 A.raises
B.
causes
C.
takes
D.
moves
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【单选题】已知A、B、C、D为二水平因子,且要考察A×C,B×D的交互作用,用正交表安排实验时,应该选择()。
A.
L 8 (2 7 )
B.
L 4 (2 3 )
C.
L 16 (2 15 )
D.
L 27 (3 13 )
【单选题】已知A,B,C,D为二水平因子,且要考察A×C,B×D的交互作用,用正交表安排实验时,我们应选______。
A.
L 8 (2 7 )
B.
L 16 (2 15 )
C.
L 27 (3 13 )
D.
L 4 (2 3 )
【单选题】用 L 8 ( 2 7 )表 安排实验,如果考虑到3个因素A、B、C和他们的交互作用A×B、A×C、B×C,则因素C应该在哪一列( )。
A.
3
B.
4
C.
6
D.
7
【简答题】数项级数收敛的必要条件是______。
【单选题】同一票货物如包装不同,其计费标准和等级也不同,如托运人未按不同包装分别列明毛重和体积,则全票货物均按收费较高者计收运费。( )
A.
正确
B.
错误
【单选题】事故应急救援预案的目的是抑制突发事件的发生,减少事故对员工、居民和环境的危害。因此,事故应急救援预案应提出详尽、实用、明确和有效的( )措施。
A.
合同
B.
组织
C.
经济
D.
技术
E.
行政
【多选题】计算机网络最重要的三个功能是(  )。
A.
数据通信
B.
资源共享
C.
分布处理
【单选题】在借贷记账法下,账户哪一方记增加,哪一方记减少,是根据(    )决定的。
A.
采用哪种核算方法
B.
采用哪种记账形式
C.
增加数记借方,减少数记贷方的规则
D.
账户所反映的经济内容
【简答题】数项级数 收敛的必要条件是 ;函数项级数 在 上一致收敛的必要条件是
【多选题】事故应急救援预案的目的是抑制突发事件的发生,减少事故对员T、居民和环境的危害。因此,事故应急救援预案应提出详尽、实用、明确和有效的( )措施。
A.
合同
B.
组织
C.
经济
D.
技术
E.
行政
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