【单选题】
Johnnason: __________ .Cathy: Yes, our family moved in here only a few days ago. Johnnason: Welcome to the neighborhood.
①
Do you need any help?
②
Are you here for holidays?
③
Are you new here?
④
What are you doing here?
【单选题】
He cannot be tired _______ he has walked only half a mile.
①
since
②
whether
③
when
④
as long as
【单选题】
Most people give tips varying between 15 to 20 percent of the cost. Give a 15 percent tip to a waiter. Give him ( ) if he has done a good job.
①
much
②
some
③
less
④
more
【单选题】
10.Now Mike isn’t here. He _________ Mr. Green’s. Perhaps he _______ back in a few minutes.
①
went to; is coming
②
has gone to; will come
③
has been to ; will be
④
is going to; has come
【多选题】
个体域为整数集, 公式“x$y(x×y = 1)”翻译成自然语言，下面合适的有
①
“每个整数都有一个倒数.”
②
“对于每个整数, 都能找到另一个整数, 它们相乘结果是1.”
③
“对任意非零整数, 都能找到另一个整数, 使得它们相乘结果等于1.”
④
“对于任意整数 x, 都存在整数 y, 使得 x×y = 1.”
【单选题】
She is filled with ( )for her own college days.
①
nostalgic
②
nostalgy
③
nostalgia
④
remember