与烧结多孔砖相比，烧结空心砖的（）。 A.孔洞个数一致，洞腔较_爱下问搜题

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问题单项选择题

与烧结多孔砖相比，烧结空心砖的（）。

A.孔洞个数一致，洞腔较小

B.孔洞个数较多，洞腔较小

C.孔洞个数较少，洞腔较大

D.孔洞个数较多，洞腔一致

答案

参考答案：D

单项选择题

8086处理器的内部寄存器包括了数据寄存器、基址寄存器、变址寄存器和段寄存器，______用于存放基地址，使得8086的寻址更加灵活。

A．SP
B．BP
C．IP
D．DI

填空题

短语填空。

watch out for；get away from；see sb. off；by air；
on the other hand；be caught in；pull up；hold on to

1. I won't be able to ________ the office before 7 o'clock. Shall we meet at 8?
2. The child ________ the back of the chair to stop himself from falling.
3. The cashiers were asked to ________ forged banknotes.
4. Mr.Smith is not at his office. He has gone to the airport to ________ his friend ________.
5. They would love to have kids, but ________, they don't want to give up their freedom.
6. The policeman ________ the motorist and asked to see his license.
7. Now many people prefer traveling ________, because it is much quicker.
8. The mountain climbers ________ a thunderstorm and couldn't get back to their camping site.