【多选题】【消耗次数：1】
She expressed her opinions_____________ change their ideas.
①
so that
②
so as to
③
in order to
④
in order that
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相关题目
【单选题】
She was so _____ in her job that she didn’t hear someone knocking at the door.
①
attracted
②
drawn
③
absorbed
④
concentrated
【单选题】
Lily forgot_______a letter to her sister, so she wrote to her just now.
①
to have written
②
to write
③
having wrote
【单选题】
The room was so quiet that she could hear the____ of her heart.
①
hitting
②
beating
③
hurting
④
striking
【单选题】
25.She ____the loud speaker so that everyone in the lecture room could hear her.
①
turnedon
②
turnedup
③
turnedoff
④
turneddown
【单选题】
In order to prepare a lecture, one must do a lot of research
and spend plenty of time____ his material so that his speech
is clear and easy to follow.
①
organizing
②
managing
③
operating
④
breeding
【单选题】
3. She was so pleased that she felt like _______.
①
to find someone to talk
②
to find some to talk to
③
finding someone to talk
④
finding someone to talk to
【单选题】
15. She had ____ to do, so she was free.
①
something
②
anything
③
everything
④
nothing
【单选题】
Our manager is so __________ in his thinking, he never listens to new ideas.
①
rigid
②
tedious
③
boring
④
vivid
随机题目
【简答题】
Directions: Fill in the blanks with the phrases given below. Change the form if necessary.[comprise of; vote for; access to; wake up; be hooked to; in the long run; work at; to ones joy; pay off; be associated with]9. Now its your turn to talk. Are you[填空1]the Internet?
【简答题】
设二维随机变量(X,Y)只取下列数组中的值：（0，0）（0，1）（1，-1）（2，-1）且相应概率依次为1/4，1/6，1/3，1/4。（1）列出(X,Y)的概率分布表；（2）分别写出关于(X,Y)的边缘分布；（3）求E(X+Y)。
【简答题】
已知E（X）=1，E（Y）=2，E（XY）=3，则X，Y的协方差Cov（X，Y）=[填空1]
【简答题】
设P（A）=0.4，B为A的对立事件，则P（B）=[填空1]
【简答题】
描述建设一个网站的具体步骤。