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【单选题】
When you finish ____ meals, don't forget _____ off the gas. [ ]A.
cooking, to turn
B.
to cook, to turn
C.
to cook, turning
D.
cooking, turning
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【单选题】In order to increase our output, we need to import more advanced instruments.
A.
facilities
B.
lens
C.
votes
D.
artists
【简答题】甲、乙、丙3位学生用互联网学习数学，每天上课后独立完成6道自我检测题，甲答题及格的概率为 ，乙答题及格的概率为 ，丙答题及格的概率为 ，3人各答一次，则3人中只有1人答题及格的概率为 （ ） （A） （B） （C） （D）以上全不对 （文科）一个盒子中装有4张卡片，上面分别写着如下四个定义域为R的函数： 现从盒子中任取2张卡片，将卡片上的函数相乘得到一个新函...
【单选题】In order to increase the wearing resistance, the cylinder liner surfaces are sometimes _____.
A.
aluminum-plated
B.
bronze-plated
C.
zinc-plated
D.
chromium-plated
【单选题】She has formed an alliance with Sunlines in order to increase BellAir's
A.
involvement in tourism.
B.
profit margins.
C.
number of flight.
【单选题】In order to increase revenues, a cell-phone company has decided to change its fee structure. Instead of charging a flat rate of $20 per month and $0.05 for every minute over 200 minutes, the company w...
A.
A rival company, which charges no start-up fee, offers an unlimited calling plan for $40 per month.
B.
Two-thirds of the company's customers use less than 500 minutes per month.
C.
Studies have shown that customers using unlimited calling plans will increase their monthly usage of minutes by over 50 percent.
D.
One-fifth of the company's customers use in excess of 1,000 minutes per month.
E.
In recent months the company has received several complaints of insufficient signal strength and poor customer service.
【单选题】发现计算机感染病毒后，应该采取的做法是（）。
A.
重新启动计算机并删除硬盘上的所有文件
B.
重新启动计算机并格式化硬盘
C.
用一张干净的系统软盘重新启动计算机后，用杀毒软件检测并清除病毒
D.
立即向公安部门报告
【简答题】In order to increase the power radiated,the length of the dipole has to be comparable to wavelength.The most widely used dipole is approximately half a wavelength long.The pattern of a half-wave dipol...
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