The special ship was _____ thousands of_爱下问搜题

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问题选择题

The special ship was _____ thousands of ice cream sticks. [ ]

A. made in

B. made into

C. made from

D. made of

答案

答案：D

选择题

若向量a=（2,1），b=（4,x+1），a∥b，则x的值为（）

A．1

B．7

C．－10

D．－9

操作题

请在图中画出小球A所受重力的示意图。