题目内容

生态因子的作用规律包括哪些方面

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什么叫做图纸的自审自审的基本内容是什么

说明木门窗发生翘曲、变形的原因及防治措施。

Passage ThreeQuestions 32 to 35 are based on the passage you have just heard.

A. By breaking into the car.
By gaining access to the unlocked car.
C. By copying the key of the car.
D. By stealing the key from the owner’s house.

补偿贸易的补偿办法主要有三种形式，即返销、回购、混合抵偿。( )

A. 对
B. 错