题目内容

怠速的混合气比大负荷还浓,因此,怠速的油耗比大负荷更大

A. 对
B. 错

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加速时,各种有害排放物都增加,其中NOx增加显著

A. 对
B. 错

Read each statement and decide whether it is fact or an opinion. Write fact or opinion in front of each statement to indicate your decision.___1. The condition known as color blindness is not found among women._2. Toads are ugly, frogs can jump, and snakes are slimy._3. If something is beautiful to you, it is beautiful._4. At one time, the automobile was a chief source of pollution in the U.S._5. Most elementary teachers are women because women are better suited to teaching at this level than men._6. All alcoholics were once social drinkers._7. India has a much larger population than Canada._8. Television programming made available at no cost to the viewer is a form of public service._9. In general, boys mature more slowly than girls._10. Scientific experiments have established that adding fluorine to drinking water reduces cavities._11. Boards of education should include students from the schools that the boards govern._12. The U.S. Printing Office will not disseminate material that is not factual and scientifically accurate._13. Algae will be an important source of protein in the future._14. “Buyers’ strikes” or boycotting the purchase of a given commodity can force its price down._____15. A person’s behavior is a result of previous experiences.

1. Queen Latifah got her start as a female rapper who consciously tried to combat the widespread sexism in the lyrics of Gangsta Rap. Her 1989 album “ All Hail the Queen”, features lyrics written from a woman’s point of view, and her sons celebrate powerful women, who don’t need guns to be strong. But the Queen of Royal Badness, as Latifah is sometimes called, is a multi-talented personality. In her hit situation comedy “Living Singly”, Latifah revealed that, in addition to a revieting presence, she also had superb comic timing. From a bit part as a sassy waitress in Spike Lee’s Jungle Fever, Latifah went on to starring roles in movies like “Set It Off” and “Living Out Loud”. Although neither movie was widely successful at the box office, the Queen got superb reviews, as well she deserved. When Queen Latifah is on the screen, you can’t watch anyone else; she’s just that good.Purpose: _-.Tone: .

The snowy owl is normally found in the coldest regions of North America. Every three or four years, however, snowy owls appear in large numbers in towns all across the United States. Animal behaviorists believe the periodic owl migrations are due to changes in the owls’ food supply. Snowy owls feed heavily on lemmings migrate every three to four years in search of food. When the lemmings leave the cold northern regions, so do the owls. Unfortunately snowy owls are becoming increasingly rare, in part because hunters often shoot them when they show up in large numbers.Purpose: _____Tone: _.a. Emotionally neutralb. Enthusiasticc. Ironic