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【多选题】
下列属于第一类危险源的是()。
A.
吊车重物的势能
B.
噪声的声能
C.
机械和车辆的动能
D.
高空坠落物的势能
E.
未正确佩戴安全防护用品
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举一反三
【单选题】The company wants to avoid any______questions about its finances.
A.
embarrassing
B.
articulate
C.
fabulous
D.
instructive
【单选题】以下有关无效宣告请求审查决定效力的哪些说法是正确的
A.
一项专利被宣告全部无效,其所有权利要求应视为自始即不存在
B.
一项专利被宣告全部无效,其所有权利要求应视为自宣告无效之日起即不存在
C.
一项专利被宣告全部无效,其所有权利要求应视为自专利授权之日起即不存在
D.
一项专利被宣告部分无效,其被宣告无效的部分权利要求应视为自宣告无效之日起即不存在
【单选题】The government asked the people to be sure to avoid _______ any water which had not been boiled.
A.
drinking
B.
to drink
C.
having drink
D.
not to be drunk
【单选题】When in sight of another vessel,any action taken to avoid collision must ().
A.
be accompanied by sound signals
B.
not result in another close quarters situation
C.
include a speed change
D.
All of the above
【单选题】以下牙发育缺陷中,不属于龋齿发生危险因素的是
A.
釉质发育不全
B.
牙齿排列不齐
C.
畸形中央尖
D.
牙邻面接触点
【判断题】产生的旋转磁场具有两对极(或称四极旋转磁场),即p=2。
A.
正确
B.
错误
【单选题】Any action taken to avoid collision shall,if the circumstances of the case admit,______.
A.
be positive
B.
be positive and made in ample time
C.
be positive,made in ample time and with due regard to the observance of good seamanship
D.
be positive,made in ample time,with due regard to the observance of good seamanship and avoiding complying with local regulations
【单选题】They were asked to avoid () any water which had not been boiled.
A.
drinking
B.
to drink
C.
having
D.
not to be drunk
【单选题】以下有关检索报告的哪些说法是正确的
A.
实用新型专利权人向人民法院起诉他人专利侵权的,应当出具国家知识产权局作出的检索报告
B.
检索报告的结论在侵权诉讼中具有授权决定或驳回决定的效力
C.
检索报告的判断结论对于涉及该专利权的无效宣告请求审查决定没有任何影响
D.
专利权人对于检索报告结论有异议的,可以陈述意见并要求重新作出检索
【单选题】Since any answer may bring______to his govenrnent the spokesman tried to avoid the question.
A.
commitment
B.
embarrassment
C.
failure
D.
benefit
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