【单选题】【消耗次数：1】
She had made many ( ) into the quality of the computer before buying one.
①
inquiry
②
inquiries
③
search
④
research
参考答案：
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相关题目
【多选题】
Many young adults, who have had no_________ to receive further education before, are eager to develop their abilities.
①
skill
②
degree
③
chance
④
opportunity
【单选题】
They made a _____ search for the lost ring, but didn’t find it.
①
though
②
although
③
thorough
④
thoroughly
【单选题】
I’m thinking of buying a computer. Can you ( ) a good make to me?
①
advise
②
recommend
③
propose
④
suggest
【单选题】
She ___ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She ________ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She_______ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
Before she left to have a holiday, she_______ hard.
①
worked
②
has worked
③
had worked
【单选题】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
Many a customer____ about the poor quality of the washing machine.
①
complains
②
complain
③
are complaining
④
have complained
随机题目
【单选题】
MCS-51系列单片机是1978年由推出的高性能8位单片机，其衍生产品至今仍广泛应用于日用家电产品中。
①
编程方法难学、不易掌握
②
功能强，性能价格比低
③
硬件配套齐全，用户使用方便，适应性强
④
设计、安装、调试和维修工作量大
【单选题】
下面是一段汇编语言源程序,请指出程序运行后的结果是。MOV23H,#0AHCLRALOOP:ADDA,23HDJNZ23H,LOOPSJMP$
①
A=00H
②
A=23H
③
A=37H
④
A=55H
【单选题】
对于8051单片机的除法指令DIVAB,下列表述中，正确的是。
①
此指令执行前，A放除数，B放被除数，执行后，A放商，B放余数
②
此指令执行前，A放被除数，B放除数，执行后，A放余数，B放商
③
此指令执行前，A放除数，B放被除数，执行后，A放余数，B放商
④
此指令执行前，A放被除数，B放除数，执行后，A放商，B放余数