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【简答题】
根据下列条件分别写出直线的方程,并化为一般式方程: (1)斜率为√3,且经过点(5,3) (2)过点(-3,0 )且垂直于x轴 (3)斜率为4,在y轴上的截距为2 (4)在y轴上的截距为3,且平行于 x轴
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举一反三
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
Married women do not have to feel guilty for not raising children themselves.
B.
Married women do not have to care about the pressure to have children.
C.
Married women should not work if they have got children.
D.
Married women can work even they have got children at home.
【简答题】影响汽车产品价格的主要因素
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
They want to stay for more days.
B.
The weather has kept them here.
C.
Yesterday they were too busy to leave.
D.
The story hasn't been finished yet.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
Husband and wife.
B.
Doctor and nurse.
C.
Sales clerk end customer.
D.
Airline agent and customer.
【单选题】大肠包括
A.
升结肠、乙状结肠、直肠、肛管
B.
盲肠、升结肠、横结肠、直肠、肛管
C.
盲肠、阑尾、结肠、直肠、肛管
D.
盲肠、阑尾、结肠、直肠
E.
阑尾、横结肠、降结肠、直肠
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
He thinks that there won't be enough seats for everybody.
B.
He thinks that the speaker won't show up.
C.
He thinks the seminar won't be open to the public.
D.
He thinks that there might not be any more tickets available.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
Go to sleep.
B.
Watch the program later.
C.
Change the channel.
D.
Set the alarm clock.
【单选题】大肠包括
A.
盲肠、结肠、直肠和肛管
B.
盲肠、阑尾、直肠和肛管
C.
盲肠、结肠、阑尾、直肠和肛管
D.
结肠、阑尾、直肠和肛管
E.
盲肠、横结肠、阑尾、直肠和肛管
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