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【单选题】
研究动物行为的主要方法是实验法和观察法,其最本质的区别是A.
研究者是否利用显微镜进行观察
B.
研究者是否直接观察被研究的对象
C.
研究者是否对被研究的动物施加人为影响
D.
单纯的观察法可以没有实验，实验法中也可以不用观察
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反馈参考答案：
举一反三
【判断题】Using a predetermined absorption rate avoids problems of under/over absorption of overheads because a constant overhead rate is available
A.
正确
B.
错误
【简答题】Over the past two decades, the popularity of the bicycle as a mean of transportation and recreation has increased tremendously in the United States.
【简答题】《诗经》六义是指风、雅、颂、( )( )( )
【单选题】My parents didn't prevent me from travelling. _____ me to do that.
A.
Neither they encouraged
B.
They didn't also encourage
C.
They didn't either encourage
D.
Neither did they encourage
【简答题】What does the author mean by 'the tech wreck may be over, but it has legacy of low price'? (para.4)
【单选题】----You missed the first train this morning , didn’t you ? ---- _______. My parents failed to wake me up.
A.
Yes, I did
B.
Yes, I didn’t
C.
No, I did
D.
No, I didn’t
【多选题】农用地是指直接用于农用生产的土地，耕地是指种植农作物的土地，下列分类中属于农用地的是（ ）。
A.
农田水利用地和养殖水面
B.
园地、林地、牧草地
C.
灌溉水田、菜地、农村宅基地
D.
新开发复垦整理地
【判断题】Thetotalfixedoverheadvarianceis the under/over-absorption offixed overhead.
A.
正确
B.
错误
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