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【简答题】
“This fact” in paragraph 4 of the text refers to ________. [A] the wing are not good enough [B] it costs a lot to test a plane [C] some problems are found with the plane [D] many people will die in a plane accident
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举一反三
【简答题】单词拼写 。 根据下列句子及所给汉语注释或单词首字母,在句子右边的横线上,写出空 缺处各单词的正确形式。(每空只写一词) 1. She hopes to be a __________(音乐家) in the future. 2. More and more classrooms in cities are _____________(配备) with computers. 3. Shortly ...
【简答题】单词拼写 。 根据下列句子及所给汉语注释或单词首字母,在句子右边的横线上,写出空缺处各单词的正确形式。(每空只写一词) 1. There is a campaign against those hunters who _______(无情地)kill Tibetan antelopes. 2.  If you are doing something that you are ______ (羞愧的...
【单选题】已知,点(m,-1)与点(-2,n+1)是关于原点对称, 则
A.
m=-2,n=1
B.
m=2,n=0
C.
m=-2,n=0
D.
m=2,n=1
【简答题】单词拼写 根据下列句子及所给单词的汉语注释,在横线上写出各单词的正确形式,使句子结构完整, 意思明确。(每空只写一词) 1. Let me wish you every ______ (成功) at the beginning of the new year! 2. The CCTV has been (广播) the news twice since this morning. 3. The b...
【单选题】已知,点 与点 是关于原点对称,则(  )
A.
m=-2,n='1'
B.
m=2,n='0'
C.
m=-2,n='0'
D.
m=2,n=1
【简答题】已知点P是圆F 1 :(x+1) 2 +y 2 =8上任意一点,点F 2 与点F 1 关于原点对称.线段PF 2 的中垂线m分别与PF 1 、PF 2 交于M、N两点. (1)求点M的轨迹C的方程; (2)斜率为1的直线l与曲线C交于A,B两点,若 OA ? OB =0(O为坐标原点),求直线l的方程.
【判断题】在两部门经济中,如果投资大于储蓄,那么总支出将小于国民收入
A.
正确
B.
错误
【简答题】已知点P是圆 上任意一点,点F 2 与点F 1 关于原点对称.线段PF 2 的中垂线m分别与PF 1 ,PF 2 交于M,N两点. (1)求点M的轨迹C的方程; (2)斜率为1的直线l与曲线C交于A,B两点,若 (O为坐标原点),求直线l的方程.
【简答题】拼写单词,根据句子意思,在空格中填写适当的单词,使句子完整、正确。 1. Do you mind if I open the window? Not in the _______. Please do. 2. There are five _______ on each hand. 3. I won't read that kind of books. It's a _______ of time...
【简答题】根据括号内的汉语提示,用句末括号内的英语单词完成句子 At the award ceremony, Mr. Jackson said, “For me, there has been ______ (没有更大的回报) than yoursupport.” ( great )
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