()和()成了声音由外耳传向耳蜗的最有效的传导途径。声波经此途径传入内耳时,其振动幅度小,振动强度增大,这种效应称为()。
参考答案:鼓膜;听骨链构;增压效应
下列不属于商业银行信贷授权载体的是()。
A.协议
B.岗位职责
C.授权书
D.规章制度
– Which of the two coats will you take?
– I will take ________. One is for my brother and the other is for myself.
A.either
B.all
C.both
D.neither