【单选题】【消耗次数：1】
The students were all entertained in a Mexican restaurant, at Professor Brians ____.
①
money
②
pay
③
expense
④
loss
参考答案：
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相关题目
【单选题】
A: How about going to dinner at the Mexican restaurant tonight? B: [填空].
①
I like Mexican food
②
Id like to, but I already have plans for tonight
③
Forget it
④
I dont know
【单选题】
Neither the students nor the professor______ anything about it.
①
knows
②
know
③
is known
④
are knowing
【单选题】
Do I need to pay a ______ when I withdraw money from other banks?
①
cash
②
money
③
fare
④
fee
【单选题】
Professor Smith, together with twenty of his students, [] coming to our school in May for a short visit.
①
is
②
are
【单选题】
Were it not for the rainny weather, they______ all right.
①
would be
②
may be
③
would have been
④
were
【多选题】
All the students in our school ____________ in the hall to hear a lecture.
①
collected
②
gathered
③
assembled
④
doubled
【单选题】
The students were not____ to leave the classroom without an adequate reason.?
①
permitted ?
②
remitted ?
③
admitted ?
④
emitted?
【单选题】
We looked for a table to sit down, but they were all ____.
①
reserved for
②
engaged in
③
used up
④
taken up
随机题目
【单选题】
系统出现死锁的原因是（ ）。
①
计算机系统发生了重大故障
②
有多个封锁的进程同时存在
③
若干进程因竞争资源而无休止地循环等待着，而且都不释放已占有的资源
④
资源数大大少于进程数，或进程同时申请的资源数大大超过资源总数
【单选题】
进程与程序之间有密切联系，但又是不同的概念。二者的一个本质区别是（ ）。
①
程序是静态概念，进程是动态概念
②
程序是动态概念，进程是静态概念
③
程序保存在文件中，进程存放在内存中
④
程序顺序执行，进程并发执行
【判断题】
V操作是对信号量执行加1操作，意味着释放一个单位资源，如果加1后信号量的值小于等于零，则从等待队列中唤醒一个进程，现进程变为阻塞状态，否则现进程继续进行。
①
正确
②
错误