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举一反三
【单选题】By using Project Risk Management techniques, project managers can develop strategies that do all but which of the following:
A.
Significantly reduce project risks
B.
eliminate project risks
C.
provide a rational basis for better decision making
D.
identify risks, their impact(s), and any appropriate responses
E.
None of the above.
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【简答题】A、B、C、D、E五种短周期元素（A、B、C、D、E分别代表元素符号），它们的原子序数依次增大；A是元素周期表中原子半径最小的元素；B元素最高价氧化物对应的水化物与其氢化物反应生成一种盐X； D与A同主族，且与E同周期；E元素原子的最外层电子数是其次外层电子数的=3/4倍；C与E同主族。请回答下列问题： （1）X的化学式为______，D的原子结构示意图为______。 （2）元素的非金属性C__...
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【单选题】Which of the following is NOT the potential risk kids may face when using cellphones?
A.
Involvement in rape-related crime.
B.
Exposure to violent and obscene images.
C.
Falling victim to brutal curses.
D.
Being tracked down by unofficial school websites.
查看完整题目与答案
【单选题】Which of the following is the possible risk in using nano-materials mentioned in the passa
A.
They may cause some damage to the body cells.
B.
They are harmful materials themselves.
C.
They may store in the body.
D.
They may behave differently in the body and the environment.
查看完整题目与答案
【单选题】Using the risk assessment matrix, if a hazard is unlikely to occur with minor consequence, the risk is rated as:
A.
low
B.
moderate
C.
high
D.
extreme
查看完整题目与答案
【单选题】定员载荷状态时指每平方米站立（  ）人？
A.
6
B.
7
C.
8
D.
9
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【简答题】下表是元素周期表的一部分，请回答有关问题： 主族 周期 ⅠA ⅡA ⅢA ⅣA ⅤA ⅥA ⅦA 0 2 ① ② ③ 3 ④ ⑤ ⑥ ⑦ ⑧ ⑨ （1）最活泼的非金属元素是______（用元素符号或化学式表示，下同）；碱性最强的是______，该物质存在的化学键类型是______ （2）⑤元素与⑧元素形成化合物的电子式是______ （3）③⑦⑧三种元素原子半径由小到大的顺序是______ （4）...
查看完整题目与答案
【单选题】The risk of a crash when using a cellular phone is _______ when not using it.
A.
four times lower than
B.
four times higher than
C.
the same as
查看完整题目与答案
【简答题】(b) Using the TARA framework, construct four possible strategies for managing the risk presented by Product 2. Your answer should describe each strategy and explain how each might be applied in the ca...
查看完整题目与答案
【单选题】Which of the following is the possible risk in using nano-materials mentioned in the passage?
A.
They may cause some damage to the body cells.
B.
They are harmful materials themselves.
C.
They may store in the body.
D.
They may behave differently in the body and the environment.
查看完整题目与答案
相关题目：
【单选题】By using Project Risk Management techniques, project managers can develop strategies that do all but which of the following:
A.
Significantly reduce project risks
B.
eliminate project risks
C.
provide a rational basis for better decision making
D.
identify risks, their impact(s), and any appropriate responses
E.
None of the above.
查看完整题目与答案
【简答题】A、B、C、D、E五种短周期元素（A、B、C、D、E分别代表元素符号），它们的原子序数依次增大；A是元素周期表中原子半径最小的元素；B元素最高价氧化物对应的水化物与其氢化物反应生成一种盐X； D与A同主族，且与E同周期；E元素原子的最外层电子数是其次外层电子数的=3/4倍；C与E同主族。请回答下列问题： （1）X的化学式为______，D的原子结构示意图为______。 （2）元素的非金属性C__...
查看完整题目与答案
【单选题】Which of the following is NOT the potential risk kids may face when using cellphones?
A.
Involvement in rape-related crime.
B.
Exposure to violent and obscene images.
C.
Falling victim to brutal curses.
D.
Being tracked down by unofficial school websites.
查看完整题目与答案
【单选题】Which of the following is the possible risk in using nano-materials mentioned in the passa
A.
They may cause some damage to the body cells.
B.
They are harmful materials themselves.
C.
They may store in the body.
D.
They may behave differently in the body and the environment.
查看完整题目与答案
【单选题】Using the risk assessment matrix, if a hazard is unlikely to occur with minor consequence, the risk is rated as:
A.
low
B.
moderate
C.
high
D.
extreme
查看完整题目与答案
【单选题】定员载荷状态时指每平方米站立（  ）人？
A.
6
B.
7
C.
8
D.
9
查看完整题目与答案
【简答题】下表是元素周期表的一部分，请回答有关问题： 主族 周期 ⅠA ⅡA ⅢA ⅣA ⅤA ⅥA ⅦA 0 2 ① ② ③ 3 ④ ⑤ ⑥ ⑦ ⑧ ⑨ （1）最活泼的非金属元素是______（用元素符号或化学式表示，下同）；碱性最强的是______，该物质存在的化学键类型是______ （2）⑤元素与⑧元素形成化合物的电子式是______ （3）③⑦⑧三种元素原子半径由小到大的顺序是______ （4）...
查看完整题目与答案
【单选题】The risk of a crash when using a cellular phone is _______ when not using it.
A.
four times lower than
B.
four times higher than
C.
the same as
查看完整题目与答案
【简答题】(b) Using the TARA framework, construct four possible strategies for managing the risk presented by Product 2. Your answer should describe each strategy and explain how each might be applied in the ca...
查看完整题目与答案
【单选题】Which of the following is the possible risk in using nano-materials mentioned in the passage?
A.
They may cause some damage to the body cells.
B.
They are harmful materials themselves.
C.
They may store in the body.
D.
They may behave differently in the body and the environment.
查看完整题目与答案
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