皮皮学,免费搜题
登录
搜题
【简答题】
课文语法填空 The Earth Is Becoming Warmer — But Does It Matter? During the 20th century the temperature of the earth rose about one degree Fahrenheit. That probably does not seem much to you or me, 1.________ it is a rapid increase when 2.________ (compare) to other natural changes. There is no doubt that the earth is becoming 3.________ (warm) and that it is human activity 4.________ has caused this global warming. All scientists subscribe 5.________ the view that the increase in the earth's temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy. Some byproducts of this process are called “greenhouse”gases, 6.________ most important one of which is carbon dioxide. We know that the levels of carbon dioxide have increased greatly over the last 100 to 150 years. Charles Keeling found that between these years the carbon dioxide in the atmosphere went 7.________ from around 315 parts to around 370 parts per million. Greenhouse gases continue to build 8.________ in the atmosphere. Even though we start reducing the amount of carbon dioxide and other greenhouse 9.________ (gas), the climate is going to keep on 10.________ (warm) for decades or centuries.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Rice (has been) a (basically) food (for) millions of people for (hundreds) of years.
A.
has been
B.
basically
C.
for
D.
hundreds
【简答题】请依次写出下面汉语词汇的英文单词(每空一词,务必注意拼写,全部小写,全部原形不要随便改变形式,否则系统会判零分) 1,痕迹,洼地,阴沟(近义词print, mark, depression) ________________ 2, 乱翻,抢劫(可作名词“步枪”) _________________ 3, 碎片(形近词scrap...
【判断题】毒品问题作为全球性问题给人类造成巨大的伤害,带来巨大的损失。
A.
正确
B.
错误
【单选题】对资源科学描述不正确的的是
A.
资源科学是研究科学合理的开发利用和保护资源,实现资源可持续利用的学科
B.
资源科学是研究资源经济学的学科
C.
资源科学是研究自然资源与劳动力资源、资源经济系统与资源生态系统之间相互关系的综合性学科
D.
对资源科学的研究,不能有效提高资源的生产和利用效率
【单选题】Many people believe we are heading for environmental disaster _____ we basically change the way we live.
A.
but
B.
although
C.
unless
D.
once
【单选题】氩弧焊时,氩气电离所需能量较高,所以引燃电弧( )。
A.
较困难
B.
较容易
C.
很容易
D.
很困难
【单选题】氩弧焊时,氩气电离所需能量(),所以引燃电弧较困难。
A.
较低
B.
较高
C.
适中
D.
很低
【单选题】对自然资源稀缺性描述正确的的是
A.
资源的稀缺性就是人类的欲望与奢求太多,而资源的数量是有限的
B.
资源的稀缺性不会推动科学的进步
C.
太阳能是恒定资源,所以太阳能也是无限多的
D.
动物资源可以人工繁殖,所以动物资源不属于稀缺性资源
E.
资源不均匀分布不是造成了资源稀缺性的原因
【简答题】Basically they are encouraging people__________(超速驾驶和违反法律).
【简答题】_________________________________Well, we're basically a biotech company.
相关题目: