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{{B}}Happy Earth
Day{{/B}} {{B}}The Good News{{/B}} Here’s the good news: our air is cleaner, our lakes are purer, our forests are healthier, endangered species are recovering, toxic emissions are down, and acid rain has diminished dramatically. And yet, if you’ve looked at a newspaper or watched the evening news lately, you might think our environment is under siege(围攻). Media coverage of the environment is heavy on doomsday, but the truth is not at all break: nearly all environmental trends in the United States are positive and have been for years--if net decades. Eco-legislation, green organizations, corporate cooperation and new inventions have all quietly steered our environment in a positive direction. We can’t afford to be complacent(自满的), though--especially when it comes to A. 1976 B. 1979 C. 1990 D. 2004 [单选题]低压电杆拉线绝缘子应装在最低导线以下，应保证在拉线绝缘子以下断拉线情况下，拉线绝缘子距地面不应 小于()m。
A.1 B.1.5 C.2 D.2.5 [单选题]老王经营一家鞋厂，未按照国家标准为临时用电的电气设备安装漏电保护装置，导致一名工人作业时触电死亡。根据《刑法》的规定，老王的行为构成（）。
A.失职渎职罪 B.重大劳动安全事故罪 C.强令违章冒险作业罪 [简答题]S5. They suggest that to knowingly give oneself over to a behavior that has a statistical probability of shortening life is similar to attempting suicide.
[填空题]It rained very heavy last summer and the little (76)
stream near our house became big river. It burst through the bank (77) and the fields all round was soon full of (78) water. Lucky, the water didn’t reach any of the (79) houses in our village. And the bursting water (80) from the river washed away our beautiful wooden bridge, it was more than three (81) hundreds years old and we were very sorry to (82) Dose the oldest thing which we had had for so (83) long time. We’re building a new one, but (84) it will not be the same bridge which we had before! (85) [单选题]“ ” 级适用于各种限速区段，地面可不设通过信号机，机车乘务员凭车载信号行车。
A.CTCS1 B.CTCS2 C.CTCS3 D.CTCS4 [填空题]For Americans, time is money. They say, "You only get so much time in this life; you’d better use it wisely." The{{U}} (36) {{/U}}will not be better than the past or present, as Americans are{{U}} (37) {{/U}}to see things, unless people use their time for constructive activities. Thus, Americans{{U}} (38) {{/U}}a "well-organized" person, one who has a written list to do and a{{U}} (39) {{/U}}for doing them. The ideal person is punctual and is{{U}} (40) {{/U}}of other people’s time. They do not{{U}} (41) {{/U}}people’s time with conversation or other activity that has no{{U}} (42) {{/U}}beneficial outcome.
The American attitude toward time is not{{U}} (43) {{/U}}shared by others, especially non- Europeans. They are more likely to regard time as{{U}} (44) {{/U}}One of the more difficult things many students must adjust to in the States is the notion that time must be saved whenever possible and used wisely ever day.
In this context{{U}} (45) {{/U}}McDonald’s,
[多选题]甲醇的危险特性( )。
A.高度易燃,其蒸气与空气混合能形成爆炸性混合物 B.遇明火、高热能引起燃烧爆炸 C.与氧化剂接触发生化学反应或引起燃烧 D. 在火场中,受热的容器有爆炸危险 E.其蒸气比空气重,能在较低处扩散到相当远的地方,遇明火会引着回燃 我来回答: 提交
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