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【多选题】
某建筑工地有一井字架，工人在技工未在场的情况下擅自开动卷扬机提升物料，因操作失误且无超高限位装置，使滑轮直接顶到天轮，造成地轮被拉起，恰在此时另一工人正横跨卷扬机的水平钢丝绳，钢丝绳将弹起摔出，造成颅脑受伤死亡，主管工长在进行检查时发现无超高装置问题，但未及时整改。下列关于卷扬机的安全要求中正确的有：（）。
A.
卷扬机司机专业培训持证上岗
B.
暂停作业时，不必将物件或吊笼降至地面
C.
作业前空转，确认电气、制动以及环境情况良好才能操作
D.
司机应随时注意操作条件及钢丝绳的磨损情况
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【单选题】冈崎片段(Okazaki fragment)
A.
也称为DNA-polⅠ的大片段
B.
复制起始之前形成.作为复制的准备
C.
是DNA半不连续复制的表现
D.
即
查看完整题目与答案
【单选题】?Read the article below about the shortage of talent in Asia. ?Choose the best sentence from the opposite page to fill each of the gaps. ?For each gap 8-12, mark one letter (A-G). ?Do not use any lett...
A.
However, there is also a failure of education.
B.
Philippine Airlines, for instance, lost 75 pilots to overseas airlines during the past three years.
C.
As it turned out, they ranked a shortage of qualified staff as their biggest concern in China and South-east Asia.
D.
There is also a severe shortage of good managers.
E.
The consequences of that are depressing and will limit the growth.
F.
But, in the meantime, there is a dreadful shortage of pilots.
G.
Asia has more than half the planet's inhabitants and is home to many of the world's fastest-growing economies. (8)
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【单选题】母猪,4 岁,停止哺乳后一直未见发情,给予 GnRH 和 hCG 治疗无效,全身检查和血常规检查未见异常。治疗该病最适宜的药物是(2018 真题下 65)
A.
PGF2α
B.
eCG
C.
FSH
D.
PGE2
E.
PGP4
查看完整题目与答案
【简答题】阅读理解 Taylor Bernard and her twin sister were born 12 weeks early. As a result, Taylor suffers from cerebral palsy (CP). It is a condition that affects the brain. Kids who are born with CP have trouble...
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragments)
查看完整题目与答案
【简答题】冈崎片段( Okazaki fragment )
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragments)
查看完整题目与答案
【简答题】根据材料回答12~15题： A) To free his mind off work. B) To enrich himself. C) To make new friends. D) To kill the time.
查看完整题目与答案
【多选题】根据杜邦财务分析体系,会导致净资产收益率下降的是( )。
A.
降低销售净利率
B.
加快资产周转
C.
降低企业营运能力
D.
增加负债
E.
降低资产负债率
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragment)
查看完整题目与答案
相关题目：
【单选题】冈崎片段(Okazaki fragment)
A.
也称为DNA-polⅠ的大片段
B.
复制起始之前形成.作为复制的准备
C.
是DNA半不连续复制的表现
D.
即
查看完整题目与答案
【单选题】?Read the article below about the shortage of talent in Asia. ?Choose the best sentence from the opposite page to fill each of the gaps. ?For each gap 8-12, mark one letter (A-G). ?Do not use any lett...
A.
However, there is also a failure of education.
B.
Philippine Airlines, for instance, lost 75 pilots to overseas airlines during the past three years.
C.
As it turned out, they ranked a shortage of qualified staff as their biggest concern in China and South-east Asia.
D.
There is also a severe shortage of good managers.
E.
The consequences of that are depressing and will limit the growth.
F.
But, in the meantime, there is a dreadful shortage of pilots.
G.
Asia has more than half the planet's inhabitants and is home to many of the world's fastest-growing economies. (8)
查看完整题目与答案
【单选题】母猪,4 岁,停止哺乳后一直未见发情,给予 GnRH 和 hCG 治疗无效,全身检查和血常规检查未见异常。治疗该病最适宜的药物是(2018 真题下 65)
A.
PGF2α
B.
eCG
C.
FSH
D.
PGE2
E.
PGP4
查看完整题目与答案
【简答题】阅读理解 Taylor Bernard and her twin sister were born 12 weeks early. As a result, Taylor suffers from cerebral palsy (CP). It is a condition that affects the brain. Kids who are born with CP have trouble...
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragments)
查看完整题目与答案
【简答题】冈崎片段( Okazaki fragment )
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragments)
查看完整题目与答案
【简答题】根据材料回答12~15题： A) To free his mind off work. B) To enrich himself. C) To make new friends. D) To kill the time.
查看完整题目与答案
【多选题】根据杜邦财务分析体系,会导致净资产收益率下降的是( )。
A.
降低销售净利率
B.
加快资产周转
C.
降低企业营运能力
D.
增加负债
E.
降低资产负债率
查看完整题目与答案
【简答题】冈崎片段(Okazaki fragment)
查看完整题目与答案
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