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Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on Answer Sheet 1. The amount of sunlight reaching Earth’s surface appears to be growing. The phenomenon, which some dub "global brightening," (1) scientists with a puzzle. If the (2) is real and global, how long will it last and what are the consequences for climate change, the planet’s water cycle, and other (3) that draw energy from sunlight (4) , the answer might seem obvious: More sunlight reaching the ground in a warming world means that temperatures will get warmer (5) . Not so fast, some researchers say. Additional warming would be certain (6) nothing else in the climate system changes. And the climate system is (7) static. Some combinations of changes could reinforce the heating; others could (8) it. Unraveling these interactions and forecasting their course require an accurate accounting of the sunlight reaching the surface and the (9) the surface sends skyward. Moreover, researchers say, measurements of the sun’s strength at Earth’s surface are potentially powerful tools for (10) human influences on the climate. Earth’s radiation "budget" (11) an "extremely important parameter that is (12) known,’ says Robert Charlson, an atmospheric scientist at the University of Washington at Seattle. "It needs to be (13) much better than it is." (14) about the amount of sunlight reaching Earth’s surface were first raised in 1974. Researchers from the United States and Israel recorded a 12% drop (15) sunlight over 40 years at a (16) station in the southern Sinai Peninsula. Since then, others have used a variety of techniques to try to track (17) sunlight. Three years ago, for example, a (18) led by Beate Liepert at Columbia University’s Lamont-Doherty Earth Observatory gathered data from ground (19) around the world and found that solar radiation reaching the surface fell (20) 4% from 1961 to 1990.
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Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on Answer Sheet 1. The amount of sunlight reaching Earth’s surface appears to be growing. The phenomenon, which some dub "global brightening," (1) scientists with a puzzle. If the (2) is real and global, how long will it last and what are the consequences for climate change, the planet’s water cycle, and other (3) that draw energy from sunlight (4) , the answer might seem obvious: More sunlight reaching the ground in a warming world means that temperatures will get warmer (5) . Not so fast, some researchers say. Additional warming would be certain (6) nothing else in the climate system changes. And the climate system is (7) static. Some combinations of changes could reinforce the heating; others could (8) it. Unraveling these interactions and forecasting their course require an accurate accounting of the sunlight reaching the surface and the (9) the surface sends skyward. Moreover, researchers say, measurements of the sun’s strength at Earth’s surface are potentially powerful tools for (10) human influences on the climate. Earth’s radiation "budget" (11) an "extremely important parameter that is (12) known,’ says Robert Charlson, an atmospheric scientist at the University of Washington at Seattle. "It needs to be (13) much better than it is." (14) about the amount of sunlight reaching Earth’s surface were first raised in 1974. Researchers from the United States and Israel recorded a 12% drop (15) sunlight over 40 years at a (16) station in the southern Sinai Peninsula. Since then, others have used a variety of techniques to try to track (17) sunlight. Three years ago, for example, a (18) led by Beate Liepert at Columbia University’s Lamont-Doherty Earth Observatory gathered data from ground (19) around the world and found that solar radiation reaching the surface fell (20) 4% from 1961 to 1990.
某煤炭开采企业地面辅助生产系统有维修车间、锅炉房、配电室、油库、办公大楼和车库等。在维修车间，除机械加工设备外，还有1台额定起重量1.5 t、提升高度2 m的起重机，气焊用氧气、乙炔气瓶各5个。燃煤锅炉房有出口水压(表压)0.12 MPa、额定出水温度130℃、额定功率28 MW的锅炉2台。油库有1个储量为7吨的汽油储罐及配套加油设备。办公大楼内安装载人电梯2部。该企业有员工通勤大客车1辆。2009年7月5日10时，电工甲在维修车间进行电气维修。10时30分，车工乙开完会，准备使用机床时发现没电，于是来到电气开关柜前，发现开关柜门开着，没有停电作业警示，就接通电源，造成电工甲触电死亡。 根据以上场景，回答下列问题 写出此次事故的事故调查报告概要。
Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on Answer Sheet 1. The amount of sunlight reaching Earth’s surface appears to be growing. The phenomenon, which some dub "global brightening," (1) scientists with a puzzle. If the (2) is real and global, how long will it last and what are the consequences for climate change, the planet’s water cycle, and other (3) that draw energy from sunlight (4) , the answer might seem obvious: More sunlight reaching the ground in a warming world means that temperatures will get warmer (5) . Not so fast, some researchers say. Additional warming would be certain (6) nothing else in the climate system changes. And the climate system is (7) static. Some combinations of changes could reinforce the heating; others could (8) it. Unraveling these interactions and forecasting their course require an accurate accounting of the sunlight reaching the surface and the (9) the surface sends skyward. Moreover, researchers say, measurements of the sun’s strength at Earth’s surface are potentially powerful tools for (10) human influences on the climate. Earth’s radiation "budget" (11) an "extremely important parameter that is (12) known,’ says Robert Charlson, an atmospheric scientist at the University of Washington at Seattle. "It needs to be (13) much better than it is." (14) about the amount of sunlight reaching Earth’s surface were first raised in 1974. Researchers from the United States and Israel recorded a 12% drop (15) sunlight over 40 years at a (16) station in the southern Sinai Peninsula. Since then, others have used a variety of techniques to try to track (17) sunlight. Three years ago, for example, a (18) led by Beate Liepert at Columbia University’s Lamont-Doherty Earth Observatory gathered data from ground (19) around the world and found that solar radiation reaching the surface fell (20) 4% from 1961 to 1990.
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