热力环流的形成过程为（）
①近地面空气受热或冷却
②同一水平面上产生气压差异
③形成大气的水平运动
④气流的上升或下降运动
As long as her parents can remember, 13-year-old Katie Hart has been talking about going to college. Her mother, Tally, a financial-aid officer at a California University, knows all too well the daunting thing of paying for a college education. Last year the average yearly tuition at a private, four-year school climbed 5.5 percent to more than $17,000. The Harts have started saving, and figure they can afford a public university without a problem. But what if Katie applies to Princeton (she’s threatening), where one year’s tuition, room and board—almost $34,000 in 2007—will cost more than some luxury cars Even a number cruncher like Tally admits it’s a little scary, especially since she’ll retire and Katie will go to college at around the same time.
Paying for college has always been a hard endeavor. The good news: last year students collected $74 billion in financial aid, the most ever. Most families pay less than full freight. Sixty p
A. Richer.
B. Wiser.
C. Happier.
D. Luckier.
| Shopping for clothes is not the same experience for
a man as it is for a woman. A man goes shopping (11) he needs
something. His purpose is settled and decided (12) . He knows
what he wants and his objective is to find it and (13) it；the
price is a secondary (14) . Most men (15)
walk into a shop and ask the salesman (16) what
they want. If the shop has it in stock. the salesman promptly (17)
it，and the business of trying it on proceeds (18) .
Au being well,the (19) can be and often is completed in less
than five minutes，with hardly any bargain and to their satisfaction. For a
man，slight problems may begin when the shop does not have what he wants.
(20) does not have exactly what he wants. In that case the
salesman，as the name implies，tries t A. in advance B. in addition C. in contrast D. in return [多选题]在低压用电设备（如充电桩、路灯、用户终端设备等）上工作，应采用（ ）等形式，口头或电话命令应留有记录。
A.工作票或派工单 B.任务单 C.工作记录 D.口头、电话命令 [多选题]体温在生理情况下波动可表现为 ( )
A.早晨略低,下午略高 B.24小时波动幅度 [简答题]什么叫风力发电机组的额定功率？
[多选题]下述关于燃油炉的说法中,正确的有
A.保证油完全燃烧的基本条件是良好的雾化质量和合理的配风 B.油的燃烧是在液态下进行的 C.目前燃油炉的运行成本比燃煤锅炉低 D.燃烧器的油嘴和调风器是燃油炉的关键部件 E.燃油锅炉使用较多的是机械雾化油嘴 [单项选择]下列属于合成毒品的是（）
A. 可卡因 B. 鸦片 C. 麻古 [单选题]148.(94029)1211灭火器有手提式和( )两种。(1.0分)
A.A、固定式 B.B、车载式 C.C、壁挂式 D.D、悬挂式 [单选题]取岩心时，回次进尺不得超过_______有效长度。
A.钻杆 B.钻头 C.岩心管 D.略 E.略 F.略 G.略 H.略 我来回答: 提交
|
