动物的运动格局主要有()
A.散布
B.连续运动
C.跳跃
D.迁徙
E.巣区
参考答案:B, C
如图所示,正弦波和方波交变电流的最大值相等,周期也相等,现把它们通入完全相同的电阻,则在相同的时间(远大于周期)内,两电阻发热之比Q甲/Q乙等于
A.1/
B.1/2
C.1/4
D.1/1
When a person dies, his debts must be paid before his ______ can be distributed.
A.paradoxes
B.legacies
C.platitudes
D.analogies