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【简答题】
已知函数 是定义在 上的偶函数，当 时， ． （1）求当 时 的解析式； （2）试确定函数 的单调区间，并证明你的结论； （3）若 且 ，证明： .
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【简答题】阅读理解。 An old friend from California was going to spend a few days with me. He called me from the station to tell me that he had arrived. I wasn't able to leave the office, but I had got ready for his ...
【单选题】下列关于悬架功用描述错误的是?
A.
支承车辆，保持乘坐高度，把车轮连接到底盘或者车身上
B.
使轮胎保持与路面接触，让车轮与车辆的行驶方向保持一致
C.
让车轮作枢轴来转动，控制车辆进行转向
D.
吸收突然的车轮运动，减少路面冲击和振动的影响
【简答题】Joshua Jordan earned a 4______________degree in physical therapy. He hopes to open his own practice someday, and says having the expensive 5______________ degree is good for his patients, but hard on ...
【单选题】根据2013版施工合同示范文本,下列说法不正确的是()。
A.
因发包人原因造成工程不合格的，由此增加的费用和（或）延误的工期由发包人承担，并支付承包人合理的利润。
B.
因发包人原因造成工程质量未达到合同约定标准的，由发包人承担由此增加的费用和（或）延误的工期，并支付承包人合理的利润。
C.
因发包人违反合同约定造成暂停施工的，发包人应承担因其违约给承包人增加的费用和（或）延误的工期，无须支付承包人合理的利润。
D.
2013版示范文本约定了需要支付承包人合理利润的情形多达13种。
【单选题】以下哪项不属于悬架的功用( )
A.
连接车架（或车身）和车轮，把路面作用到车轮的各种力传给车架（或车身）
B.
传递驱动力
C.
缓和冲击、衰减振动，使乘坐舒适，具有良好的平顺性
D.
保证汽车具有良好的操纵稳定性
【简答题】An old friend from abroad，＿＿＿I was expecting to stay with，telephoned me from the airport．
【简答题】完形填空 （10%） A young man works hard on his lessons. He is very busy studying. He doesn’t have __1__ to rest. After sometime, he falls ill. Every night, when he goes to bed, he __2__ his eyes and tries t...
【简答题】A young man worked very hard on his lessons. He was too busy to have a rest. One day he found that he couldn't fall asleep at night. As he became ill, he couldn't go to sleep. When he went to bed, he ...
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