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【简答题】
已知动点M(x,y)到直线l:x = 4的距离是它到点N(1,0)的距离的2倍. （1）求动点M的轨迹C的方程; （2）过点P(0,3)的直线m与轨迹C交于A, B两点. 若A是PB的中点, 求直线m的斜率.
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参考答案：
举一反三
【简答题】Read the passage and answer the following questions according to it. A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives (档案馆) by the FBI after being s...
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【判断题】It is noted that by D/D the draft must be paid on demand.
A.
正确
B.
错误
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【判断题】同等条件下逆流式比顺流式磁选机的除铁效果好。
A.
正确
B.
错误
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【判断题】预制混凝土构件与后浇混凝土的接触面须做成粗糙面或键槽面，以提高抗剪能力。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives( 档案馆) by the FBI after being stolen twice. "We realized in the mid-1970s that it was missing," says...
A.
It was recovered by the FBI.
B.
it was stolen more than once.
C.
It was put in the archives for research purposes.
D.
It was purchased by the Smithsonian Archives.
查看完整题目与答案
【单选题】A client arrives at the health care clinic and tells the nurse that her last menstrual period was 9 weeks ago. The client tells the nurse that a home pregnancy test was positive but that she began to ...
A.
"I will need to remain on bed rest for 2 weeks."
B.
"I will need to take a full course of antibiotic treatment."
C.
"I will need to take tocolytic medication to halt the labor process."
D.
"I will need to prepare myself and my family for the loss of this pregnancy."
查看完整题目与答案
【简答题】based on; bound by; codified; custom; disputes legislation; non-criminal; precedents; provisions; rulings In contrast, common law was originally developed through (_____), at a time before laws were w...
查看完整题目与答案
【判断题】采样必须随机、均匀、有代表性,包括采集有病、过小的样本。
A.
正确
B.
错误
查看完整题目与答案
【判断题】预制混凝土构件与后浇混凝土的接触面须做成粗糙面或键槽面,以提高抗剪能力。
A.
正确
B.
错误
查看完整题目与答案
【多选题】将一项经济利益流入确认为企业的收入,除应符合收入的定义,还应同时满足的条件有( )。
A.
与该资源有关的经济利益很可能流入企业
B.
与该义务有关的经济利益很可能流出企业
C.
经济利益流入企业的结果会导致企业资产增加或负债减少
D.
经济利益的流入额能够可靠地计量
查看完整题目与答案
相关题目：
【简答题】Read the passage and answer the following questions according to it. A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives (档案馆) by the FBI after being s...
查看完整题目与答案
【判断题】It is noted that by D/D the draft must be paid on demand.
A.
正确
B.
错误
查看完整题目与答案
【判断题】同等条件下逆流式比顺流式磁选机的除铁效果好。
A.
正确
B.
错误
查看完整题目与答案
【判断题】预制混凝土构件与后浇混凝土的接触面须做成粗糙面或键槽面，以提高抗剪能力。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives( 档案馆) by the FBI after being stolen twice. "We realized in the mid-1970s that it was missing," says...
A.
It was recovered by the FBI.
B.
it was stolen more than once.
C.
It was put in the archives for research purposes.
D.
It was purchased by the Smithsonian Archives.
查看完整题目与答案
【单选题】A client arrives at the health care clinic and tells the nurse that her last menstrual period was 9 weeks ago. The client tells the nurse that a home pregnancy test was positive but that she began to ...
A.
"I will need to remain on bed rest for 2 weeks."
B.
"I will need to take a full course of antibiotic treatment."
C.
"I will need to take tocolytic medication to halt the labor process."
D.
"I will need to prepare myself and my family for the loss of this pregnancy."
查看完整题目与答案
【简答题】based on; bound by; codified; custom; disputes legislation; non-criminal; precedents; provisions; rulings In contrast, common law was originally developed through (_____), at a time before laws were w...
查看完整题目与答案
【判断题】采样必须随机、均匀、有代表性,包括采集有病、过小的样本。
A.
正确
B.
错误
查看完整题目与答案
【判断题】预制混凝土构件与后浇混凝土的接触面须做成粗糙面或键槽面,以提高抗剪能力。
A.
正确
B.
错误
查看完整题目与答案
【多选题】将一项经济利益流入确认为企业的收入,除应符合收入的定义,还应同时满足的条件有( )。
A.
与该资源有关的经济利益很可能流入企业
B.
与该义务有关的经济利益很可能流出企业
C.
经济利益流入企业的结果会导致企业资产增加或负债减少
D.
经济利益的流入额能够可靠地计量
查看完整题目与答案
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