【判断题】【消耗次数：1】
相关系数r为0表示两个变量之间不存在任何关系（）
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
Not only______ a pay increase, they want reduced hours as well.
①
the workers wanted
②
did the workers want
③
the workers want
④
do the workers want
【单选题】
—Someof the plastic bags can’t______after June 1.
—Yes, people will use environmental bags instead.
①
are used
②
be used
③
be use
④
use
【单选题】
―______?
― I’d like to send this parcel to one of my friends.
①
What are you doing here
②
What’s your name
③
Where are you from
④
How may I help you
【单选题】
Zhang Hua opened the door .There______ he had never seen before.
①
did a girl stand
②
stood a girl
③
a girl stood
④
a girl did stand
【单选题】
Notuntilherclassmatecriticizedher______ toadmithermistake.
①
does she begin
②
did she begin
③
began she
④
had she begun
【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
【单选题】
Keeping eye contact ______ respect for the interviewer and your confidence.
①
says
②
pays
③
throws
④
shows
【单选题】
Seeing the enemy, the hero was behaving as though nothing______.
①
was happening
②
would happen
③
had happened
④
happened