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【简答题】
Section B 35.
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举一反三
【简答题】已知:向量 e 1 , e 2 不共线. (1) AB = e 1 - e 2 , BC =2 e 1 -8 e 2 , CD =3 e 1 +3 e 2 . 求证:A,B,D共线. (2)若向量 λ e 1 - e 2 与 e 1 -λ e 2 共线,求实数λ的值.
【简答题】思想是() A、 是中国集 体智慧 的 结晶, 以 命名,就是充分肯定的卓越贡献。 B、 个人的思想
【单选题】作为寻找颏孔表志的牙是
A.
下颌切牙
B.
下颌尖牙
C.
下颌前磨牙
D.
下颌第一磨牙
E.
下颌第三磨牙
【单选题】假币一般分为______________两大类
A.
机制币和手绘处
B.
伪造币和变造币
C.
复印币和机制币
【单选题】Jealousy typically refers to the thoughts, feelings, and behaviors that occur when a person believes a valued relationship is being threatened by a rival. This rival may have no knowledge of threateni...
A.
a feeling of resentment towards one who threatens a relationship
B.
a relationship threatened by an aggressive rival
C.
a feeling or behavior. regardless of one's age, gender or appearance
D.
an imagination of a potential rival
【单选题】如果 e 1 与 e 2 是两个单位向量,下面有五个命题(1) e 1 = e 2 (2) | e 1 | = | e 2 | (3) e 1 ? e 2 =1 (4) e 1 2 = e 2 2 (5) e 1 ∥ e 2 ,则 e 1 = e 2 .其中不正确的是…(  )
A.
(1)、(2)、(3)
B.
(2)、(3)、(5)
C.
(1)、(3)、(5)
D.
(2)、(4)
【单选题】The respondents were asked to comment on all of the following details EXCEPT
A.
their personal life.
B.
employment opportunities.
C.
economic development.
D.
their views on happiness.
【单选题】The members of the club wouldn't run a ____ entrusting(委托) the organization to an unreliable person.
A.
danger
B.
risk
C.
hazard
D.
chance
【判断题】名字作为符号其中之一是为了区别是此人与彼人
A.
正确
B.
错误
【单选题】Most people find the topics taught in family finance useful for they ___ to the personal life.
A.
relate
B.
relating
C.
relation
D.
are relating
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