【单选题】【消耗次数：1】
We should be pleased to send you some samples of our new printers on approval, _______ our own expenses.
①
at
②
on
③
for
④
in
参考答案：
复制
纠错
相关题目
【单选题】
______ the storm, we should have reached our company.
①
Because of
②
In spite of
③
In case of
④
But for
【单选题】
This is a _____ moment for our research. We should be careful.
①
critical
②
belt
③
conscience
④
copper
【单选题】
Our Chinese tradition is quite different _____ we only want to defend our own country, not to invade other countries.
①
because
②
for
③
in that
④
that
【单选题】
We should make a clear ____ between the two scientific terms for the purpose of our discussion.
①
separation
②
discrimination
③
deviation
④
distinction
【单选题】
We all thought ______ pity that you were unable to attend our meeting.
①
that
②
which
③
this
④
it
【单选题】
Not only ______ our money, but we were also in danger of losing our lives.
①
we lost
②
lost we
③
we did lose
④
did we lose
【单选题】
Our mother earth gives us ________we need in our daily life.
①
A. Everything
②
B.something
③
C.nothing
④
D.A.thing
【单选题】
Once our chickens started laying eggs, we had such a
____ of eggs that we were giving many away to our
neighbors.
①
output
②
surplus
③
production
④
plenty
【单选题】
Once our chickens started laying eggs, we had such a _____of eggs that we were giving many away to our neighbors.
①
output
②
surplus
③
production
④
plenty
【单选题】
When we arrived at the airport, we found our flight ________.
①
cancelled
②
had cancelled
③
had been cancelled
④
has been cancelled
随机题目
【单选题】
文献来源大概有三个方向：一是相关学科的研究、报告、期刊、论文；二是邻近学科的学说与理论；三是（ ），凡对研究有启发的研究都可以作为参考文献。
①
真理
②
研究报告
③
会议
④
一般论著
【判断题】
控制无关变量的循环法主要用于平衡顺序效应。在教育科学研究中，当被试接受当先后呈现两种以上不同剌激(例如，两种以上实验处理)时，就会产生顺序效应，即先前的处理或反应对随后的处理或反应发生影响。在这种情况下，需采用循环法，变动变量项目或被试的顺序，以平衡顺序效应。( )
①
正确
②
错误