【单选题】【消耗次数：1】
EBay, Amazon and WalMart are popular websites ___ people can sell goods to each other.
①
where
②
which
③
when
④
whose
参考答案：
复制
纠错
相关题目
【单选题】
Problems can ______ when people have no knowledge of law.
①
rise
②
raise
③
arise
④
rose
【判断题】
On the one hand, I want to sell the house, but on other hand I can’t? bear the thought of moving.
①
正确
②
错误
【判断题】
These two chemicals ____interact_____ with each other at a certain temperature to produce a substance which could cause an explosion.
①
正确
②
错误
【单选题】
One-room schoolhouses can still be found in ___ areas where there are no other schools for many miles.
①
disposed
②
deserted
③
isolated
④
abandoned
【单选题】
Tom and Mary ___________ each other.
①
keep apart
②
are in love with
③
none other than
④
in a whisper
【单选题】
People are spending more of their income on goods such as cars and household ________ .
①
facilities
②
appliances
③
instruments
④
equipment
【单选题】
People’s hearts ____ the children whose parents died in the accident.
①
went out for
②
went out with
③
went out to
④
went out of
随机题目
【单选题】
设灯泡使用寿命在2000小时以上的概率为0.15，如果要求12个灯泡在使用2000小时以后只有一个不坏的概率，则只需用（）即可算出。
①
全概率公式
②
古典概型计算公式
③
贝叶斯公式
④
贝努利概型计算公式
【单选题】
下列说明正确的是（）
①
如果备择假设是正确的，但做出拒绝备择假设结论，则犯了弃真错误
②
如果备择假设是错误的，但做出接收备择假设结论，则犯了采伪错误
③
如果零假设是错误的，但做出接收备择假设结论，则犯了采伪错误
④
如果零假设是正确的，但做出接收备择假设结论，则犯了弃真错误