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【简答题】
已知直线l经过直线2x-y=0与直线x+y-3=0的交点P且与直线3x+2y-1=0垂直,1求点P的坐标;2求直线l的方程.
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举一反三
【简答题】第一节短文理解 阅读下面短文,从 A.(Right)、B.(Wrong)、C.(Doesn’t say)三个判断中选择一个正确选项,并在答题卡上将该项涂黑。 Every Tuesday, Carina goes to work in a bank. She knows all her customers (顾客)very well, because they are her classmates....
【单选题】Their children are also ______ of developing the disease.
A.
at high risk
B.
at the high risk
C.
on high risk
D.
on the high risk
【简答题】五、词汇:根据句意及汉语提示完成句子(共5小题,每小题2分,计10分) 1. That's not a big d______(协议:交易),so you don't need to worry about it. 2.China has ended its one-child policy and let families have two children i______(代替). 3.The...
【单选题】设执行以下程序段时依次输入2，4，6执行结果为 Dim a(4) As Integer,b(4) As Integer For k =0 To 2 a(k + 1) = Val(InputBox( 'Enter data:' ) ) b(3 - k) =a(k + 1) Next Print b(k)
A.
2
B.
4
C.
6
D.
0
【简答题】七、介词 / 副词填空: (10%) 1. As is known, people differ _____ one another _____ their ability to treat stress. 2. According _______ an ancient story, a man named Cang Jie invented Chinese writing. 3. _____ m...
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