【单选题】【消耗次数：1】
外存储器与内存储器相比，外存储器______。
①
速度快，容量大，成本高
②
.速度慢，容量大，成本低
③
速度快，容量小，成本高
④
.速度慢，容量大，成本高
参考答案：
复制
纠错
相关题目
【单选题】
存储器分为内存储器和外存储器两类，下列哪种说法正确？
①
它们中的数据均可被CPU直接调用
②
其中只有外存储器中的数据可被CPU直接调用
③
它们中的数据均不能被CPU直接调用
④
其中只有内存储器中的数据可被CPU直接调用
随机题目
【单选题】
17.We`d rather stay at home than go to the cinema, _____？.
①
hadwe
②
hadn`twe
③
wouldn`twe
④
wouldwe
【单选题】
11．_______the new policy, we`re now having a happy life.
①
Thanksto
②
Because
③
Becauseof
④
Thankfor
【单选题】
12._____is no possibility ____Bob will win the first prize in the match.
①
That；that
②
There；that
③
There；whether
④
It；whether
【单选题】
14.____in a mountain village, Zhang ming has now become a famous writer.
①
Beforeaschoolteacher
②
Onceaschoolteacher
③
Hewasaschoolteacher
④
Heworkedasaschoolteacher.
【单选题】
16.—What made more than 100 passengers die. --- ________the air crash in Russia.
①
Itwas
②
Therewas
③
Thatwas
④
Thiswas
【单选题】
18．What do you think it is ____made them realize the importance of mastering a second language?
①
what
②
who
③
which
④
that
【单选题】
7．--Here is a new schoolbag for you. --Thank you, Mum, but there is no need ______a new one for me.
①
tobuy
②
tohavebought
③
buying
④
bought
【单选题】
2． Listen to the two girls by the window. What language _________?
①
didyouspeak
②
weretheyspeaking
③
aretheyspeaking
④
havetheybeenspeaking
【单选题】
4.I do every single bit of housework ____my husband Bob just does the dishes now and then.
①
since
②
while
③
when
④
as