西北工业大学

When birds ____, the air under their wings helps push them up.A、mirrorB、sinkC、glideD、wet

题目
When birds ____, the air under their wings helps push them up.

A、mirror

B、sink

C、glide

D、wet

参考答案和解析
正确答案:C
如果没有搜索结果,请直接 联系老师 获取答案。
相似问题和答案

第1题:

)16.

A.makes

B.lets

C.improves

D.helps


正确答案:A

第2题:

输入序列为ABC,输出为CBA时,经过的栈操作为()。

A.push,pop,push,pop,push,pop

B.push,push,push,pop,pop,pop

C.push,push,pop,pop,push,pop

D.push,pop,push,push,pop,pop


正确答案:B

第3题:

Does he often _______ his mother ______ the room?

A.help, cleans

B.help,clean

C.helps, cleaning

D.helps, clean


正确答案:B

第4题:

输入序列为ABC,可以变为CBA 时,经过的栈操作为()

A.push,pop,push,pop,push,pop

B.push,push,push,pop,pop,pop

C.push,push,pop,pop,push,pop

D.push,pop,push,push,pop,pop


push,push,push,pop,pop,pop

第5题:

输入序列为ABC,可以变为CBA时,经过的栈操作为()。

A.push, pop, push, pop, push, pop

B.push, push, push, pop, pop, pop

C.push, push, pop, pop, push, pop

D.push, pop, push, push, pop, pop


push,push,push,pop,pop,pop

第6题:

Each person takes his plate, helps ____ and comes back to his place.

A: him

B: them

C: his

D: himself


参考答案:D

第7题:

输入序列为ABC,可以变为CBA时。经过的栈操作为()。

A.push,pop,push,pop,push,pop
B.push,push,push,pop,pop,pop
C.push,push,pop,pop,push,pop
D.push,pop,push,push,pop,pop

答案:B
解析:
栈的特点是后进先出,可以实现序列的倒置,具体操作就是push,push,push,pop,pop,pop。

第8题:

输入序列为ABC,可以变为CBA时,经过的栈操作为()。

A.push,pop,push,pop,push,pop

B.push,push,push,pop,pop,pop

C.push,push,pop,pop,push,pop

D.push,pop,push,push,pop,pop


正确答案:B

第9题:

输入序列为ABC,可以变为CBA时,经过的栈操作为()。

A.push,push,push,pop,pop,pop

B.push,pop,push,pop,push,pop

C.push,push,pop,pop,push,pop

D.push,pop,push,push,pop,pop


push,push,push,pop,pop,pop

第10题:

3、输入序列为ABC,可以变成CBA时,经过的栈操作为

A.push,pop,push,pop,push,pop

B.push,push,push,pop,pop,pop

C.push,push,pop,pop,push,pop

D.push,pop,push,push,pop,pop


push,push,push,pop,pop,pop