单项选择题

甲公司在50m高立脚仓现场施工作业中，委托乙公司承担仓顶防水材料吊装作业；委托丙公司承担仓内设备安装作业；委托丁监理公司负责施工监理。三家公司同时开展相关作业，根据《安全生产法》，对上述作业活动进行相应安全管理的做法中，正确的是()

A.甲公司与乙公司、丙公司签订安全生产管理协议，约定各自的安全生产管理职责
B.甲公司与乙公司、丙公司签订安全生产管理协议，约定由乙公司、丙公司承担安全生产管理职责
C.甲公司与丁公司签订安全生产管理协议，约定由丁公司承担安全生产管理职责
D.甲公司指定丁公司监理人员对乙公司、丙公司的安全生产工作进行统一协调管理

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第二节完型填空阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。'＄ 160 for a parking ticket! I'm calling city hall about this. There must be some mistakE.' Nick thought 【B1】 . 'Yes, sir, there is a mistake,' said the man at the city hall,' 【B2】 I'm afraid the mistake's 【B3】 . This ticket was for ＄20. However, the fine doubles every 30 days. It has been 90 days, so the 【B4】 is now ＄160. You will have to pay that.' Nick had the ＄20 and he 【B5】 to pay the finE.But for some reason the ticket had gotten 【B6】 in his pile of papers and unopened letters.Nick had always been a 【B7】 person. In the past six months, he had 【B8】 to pay his electricity bill, 【B9】 his jacket at the cleaner's too 【B10】 and had to pay for the 'storage'. A job application form. he had filled out was never 【B11】 because it, too, was in one of his piles. 'Get organized, man,' his brother adviseD.'Plan what you 【B12】 do, do it, and then 【B13】 to be sure you've done it right.'Nick got a calendar with enough 【B14】 to write on. He marked important 【B15】 and times as reminders. 'Nice job,' said his brother. 'Now 【B16】 you do what you're supposed to do 【B17】 you're supposed to.' 'That shouldn't be too 【B18】 with my calendar here,' said Nick. 'And read the small print on it 【B19】 you get a ticket,' added his brother. 'Or 【B20】 still, don't get another.'【B1】A.happilyB.excitedlyC.disappointedlyD.angrily

A.'
B.'
C.
D.'
E.'
F.'
【B1】
A.happily
B.excitedly
C.disappointedly

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If you're relying on Grandma to help with child care, it's time to reconsider. A new study of more than 54 000 women found that those who watched their grandkids 9 hours a week or more were 55% more likely to have a heart attack. These women may have less time to take care of their own health, says lead author Sunmin Lee, ScD, of the Harvard School of Public Health. Younger kids may pose more risk because they need more carE.'However willing your mom might seem, it's up to you to figure out how much she can really handle,' says Meredith Minkler, DrPH, a public-health professor at the University of California, Berkeley, and an expert on grandparents as caregivers. 'It's not just about physical health. Older adults need time to connect with people of their own agE.Social isolation is a major risk factor for illness.' If your mom helps out, make sure she has breaks during the day, as well as 'vacations' at regular intervals.The writer of the text suggests that ______.A.grandparents take care of younger childrenB.young people be careful about their parentsC.old women spend more time taking care of their own healthD.child care by grandmas be considered

A.B.'
C.
The
D.
A.grandparents
E.young
F.old
G.child

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