问题 单项选择题

如图所示,ABCD为正方形,DE=4时正方形的面积是()。

A.A

B.B

C.C

D.D

答案

参考答案:D

解析:

△CED是一个等腰直角三角形,斜边DE=4,

故直角边

正方形ABCD的面积S=CD2==8,故正确答案为D。

完形填空
It was the second day of a winter holiday in Queenstown, New Zealand, three years ago. When we decided to explore the beautiful scenery, our landlady   36  us,“Make sure you are well wrapped up today. The weather is   37 . Head back when you see snowfall.”
The day was bright and sunny, and I started to wonder if she was being too cautious. When snow began to fall at 6:00 pm, I was not worried, thinking we’d have no   38  in catching a taxi back. However, we waited for a while, and all the drivers shook their heads when told of our   39 .
The first driver passed by and gave me a card with a number for me to   40  help. I was filled with   41  , but I had no choice but to lead my three sisters to a nearby place to make the   42 . Then a taxi drew up and we climbed in. The driver did not appear very friendly. Then the light streaming from his headlights showed very   43  why no taxi wanted to take us to our hotel. And I began to understand the driver’s apparently unfriendly silence — he was worried. The steep incline (斜坡) ahead was   44  with snow. The taxi slowly made its way up the hill. Suddenly, we came to a dead stop, and the driver turned to us. “Look! It is very    45  to go forward. You have to get out and walk. If I drive any further, the taxi will slide back,” he said. “Er ... can you keep your headlight on and help my elder sister? The rest of us will follow you up,” I said. The driver   46 .
We made it safely back to our hotel. Even though it   47   for the rest of the days, we could see the silver lining in the cloud(一线希望): the generous soul who helped us.
小题1:
A.protectedB.guardedC.helpedD.warned
小题2:
A.hatefulB.colorfulC.changeableD.unforgettable
小题3:
A.reasonB.timeC.trouble D.opportunity
小题4:
A.situationB.destinationC.backgroundD.information
小题5:
A.call forB.wait forC.give upD.look up
小题6:
A.confidenceB.prideC.doubtD.joy
小题7:
A.appointmentB.callC.way D.invitation
小题8:
A.clearlyB.weaklyC.UnwillinglyD.quietly
小题9:
A.chargedB.coveredC.crowdedD.provided
小题10:
A.dangerous B.possibleC.limitedD.unacceptable
小题11:
A.agreedB.admittedC.admiredD.applied
小题12:
A.shoneB.blewC.rained D.snowed
配伍题 B型题