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Questions 1-10 Complete the statements below. Write NO MORE THAN THREE WORDS for each answer. 1. 25 million children will be __________ by 2010 because of AIDS. 2. Over __________ people have died since the first AIDS case was identified in 1980. 3. AIDS is the first __________ of death around the world. 4. Immune system is the very thing the body uses to __________ germs. 5. HIV is most commonly spread by coming into direct contact with __________ contact. 6. The HIV virus can enter the body through a vein, __________ as well as eyes or inside of the nose, or cuts and sores. 7. Intact and healthy __________ is an excellent barrier against HIV and other viruses and bacteria. 8. People cannot get virus from touching, talking to or __________ with a person who is HIV infected or has AIDS. 9. People cannot get virus from using __________, hot tubs, drinking fountains, gym equipment or telephones used by people with HIV infections or AIDS. 10. Many people do not have any __________ when they first become infected with HIV.
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刃型位错
B.
螺型位错
C.
混合型位错
D.
正刃型位错
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计划
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组织
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人员配备
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【单选题】以下叙述是哪种类型位错:位错线与柏氏矢量方向呈45°
A.
螺型位错
B.
刃型位错
C.
正刃型位错
D.
混合型位错
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May
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正确
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错误
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尺长误差
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读数误差
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对中误差
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观测误差
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A.
when
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how
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whether
【单选题】以下叙述是哪种类型位错:位错线与柏氏矢量方向呈45°
A.
螺型位错
B.
正刃型位错
C.
混合型位错
D.
刃型位错
【单选题】管理的所有职能中最基本的一项是( )。
A.
计划
B.
组织
C.
领导
D.
控制
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