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【判断题】
飞播造林播前不整地，撒后不覆土，任凭杂草灌木竞争，是一种模仿天然更新的过程。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】在多普勒计程仪中,不使超声波发射方向与航速方向相垂直(即发射波束俯角≠90°)的原因是______ 。289
A.
减少纵向摇摆误差
B.
减少上下颠簸误差
C.
便于接收反射回波
D.
垂直时不产生多普勒效应
【单选题】If the interest rate on foreign deposits (i F ) increases, holding everything else constant, _________
A.
the expected return on these deposits must also increase.
B.
the expected return on domestic deposits must decrease.
C.
the expected return on domestic deposits must increase.
D.
both A and B of the above.
E.
both A and C of the above.
【单选题】Holding everything else constant, a decrease in the money supply causes ________
A.
interest rates to decline initially.
B.
interest rates to increase initially.
C.
bond prices to increase initially.
D.
both A and C of the above.
E.
both B and C of the above.
【简答题】Java EE平台具有 的特性。
【单选题】Holding everything else constant, an increase in the money supply causes ________
A.
interest rates to decline initially.
B.
interest rates to increase initially.
C.
bond prices to decline initially.
D.
both A and C of the above.
E.
both B and C of the above.
【简答题】简述图像变换的概念。
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