A、mirror
B、sink
C、glide
D、wet
第1题:
)16.
A.makes
B.lets
C.improves
D.helps
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
第3题:
A.help, cleans
B.help,clean
C.helps, cleaning
D.helps, clean
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
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
第6题:
Each person takes his plate, helps ____ and comes back to his place.
A: him
B: them
C: his
D: himself
第7题:
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
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
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