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【简答题】She loves parties so much that she is always the last one(leave)_________.
【判断题】若两个非零向量共线,则两向量同向或反向
A.
正确
B.
错误
【判断题】若非零向量 共线,则
A.
正确
B.
错误
【单选题】Linda loves music and she always goes to ________. [     ]
A.
libraries
B.
concerts
C.
cinemas
D.
science labs
【单选题】Every lifeboat which is fitted with a fixed()VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effective...
A.
one-way
B.
two-way
C.
double-effect
D.
one-effect
【单选题】Every lifeboat which is fitted with a fixed two-way VHF radiotelephone apparatus with()which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively ...
A.
a dummy antenna
B.
a supporting facilities
C.
a back-up equipment
D.
an antenna
【简答题】A.The woman's mother loves to cook, so she always cooks big, homemade meals. B.The man's family dine out a lot, because there are too many people to cook dinner for. C.The man has a brother who does t...
【单选题】She always loves____ the piano in the morning.
A.
paly
B.
to play
C.
playing
D.
/
【判断题】若一非零向量在另一向量上的投影为零,则此二向量共线
A.
正确
B.
错误
【单选题】.若两个非零向量 与 是共线向量,则( )。
A.
与 的方向一定相同
B.
与 的长度一定相等
C.
与 的方向一定相反
D.
与 一定平行
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