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【简答题】
世界海洋渔获量最多的国家是哪两个国家?
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【简答题】D “You’re going to the United States to live? How wonderful! You’re really lucky!” Does this sound familiar? Perhaps your family and friends said similar things to you when you left home. But does it ...
【单选题】What was probably the worst time ever for Trevor Noah?
A.
Being an African after the Ebola crisis.
B.
Living in African during the Ebola crisis.
C.
Being an African flying to America during the Ebola crisis.
D.
No planes flying to America during the Ebola crisis.
【简答题】已知两个3阶数组A与B先行后列的数据分别为[12 7 14 5 8 6 2 14 4]和[13 5 12 5 17 9 9 18 18], 求算式5*A+7*B的所有数值的累加和。
【简答题】已知数组 a = ( 14 , 5 , -8 ), b = ( 1 , -6 , 4 ), c = ( 2 , 1 , 5 ),计算: ( 1 ) a+b-c= ; ( 2 ) a-b= ( 3 )( a+b )• c= ; ( 4 ) a- 2 b+ 3 c=
【单选题】已 知数字数组 a =(10 , 3 , -5) , b =(-10 , 8 , 9) ,则 2 a + b = ( )
A.
(10 ， 11 ， 4)
B.
(0 ， 11 ， 4)
C.
(10 ， 14 ， -1)
D.
(10 ， 14 ， -2)
【简答题】髋骨组成( 1 )( 2 )(3)
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