【单选题】【消耗次数：1】
It was in the school library ____ I came across John.
①
that
②
which
③
where
④
how
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相关题目
【单选题】
A: How do I get to the new library?B: [填空].
①
Im sorry I cant understand
②
You could take the number 11 bus
③
Im afraid you missed the bus
④
Im glad to show you the way
【单选题】
—Where is John? I couldn’t find him.— .
①
He is very busy
②
I suppose he could have gone to the meeting room
③
I couldn’t agree more
④
He is good.
【单选题】
I like the freedom of deciding where ( ) ,what to do and how long to stay.
①
goes
②
be going
③
to go
④
go
【单选题】
19.Our school library is ________ closed for repairs.
①
shortly
②
quickly
③
temporarily
④
rapidly
【单选题】
The manager came over and asked the customer how ___.
①
did the quarrel came about
②
the quarrel had come about
③
had the quarrel come about
④
had the quarrel come about
【单选题】
—Good morning, John. How are you doing？—____.
①
Im pleased.
②
Good night.
③
Not so bad. And you?
④
How do you do?
【单选题】
--Good morning,John. How are you doing?--________________
①
Im pleased.
②
Good night.
③
Not so bad. And you?
④
How do you do?
【单选题】
-- How long ______ you ______ the library book?-- For three days.
①
have; borrowed
②
have; kept
③
borrow
④
were; kept
【单选题】
Mary, your dress is really beautiful. How is John?
①
Thank you very much
②
No, no, John is not bad
③
Thank you. He is fine
④
Don’t say that. It’s ugly. John is good
随机题目
【多选题】
S=Q×Q, Q为有理数集, *为 S 上的二元运算, áa,b?,áx,y?∈S, 有áa,b?*áx,y?=áax, ay+b?，下面关于*运算说法不正确的是：
①
可交换；
②
满足等幂律；
③
有零元；
④
可结合。
【多选题】
格需要满足下面哪个条件：
①
任意两个元素存在最大下界；
②
任意两个元素存在最小上界；
③
保交保联运算都要可交换、可结合、吸收和等幂；
④
保交保联运算相互可分配。
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的先驱元集G -(v1) =
①
{v3, v4}；
②
{v1, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
【单选题】
关于极小支配集与极大点独立集，如下说法不正确的是：
①
极小支配集不一定是最小支配集；
②
极大点独立集不一定是最大点独立集；
③
极大点独立集一定是极小支配集；
④
极小支配集一定是点独立集。