【单选题】【消耗次数：1】
If a substance is dissolved in water or heated, it
may ____ a gas.
①
give into
②
give over
③
give off
④
give away
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相关题目
【单选题】
No man is so foolish but he may give another good counsel sometimes.
①
A．没有人如此愚笨，他有时也能给别人提出好的忠告。
②
B．没有人愚笨到偶尔也给别人提出好的忠告。
③
C．人再愚笨，有时也能给别人提出好的忠告。
④
D．偶尔愚笨的人也能给别人提出好的忠告。
【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】
A: Will you please give the note to him? B: [填空].
①
No，please not
②
Sorry，I dont
③
Certainly，Ill give it to him
④
Yes，please do
【单选题】
In some cases, your instructor may tell you the topics ____ or may give you a choice of topics to write about.
①
in advance
②
ahead of
③
above al
④
right away
【单选题】
— Could you give me a discount?— _____________________.
①
No, thanks.
②
No, I cant.
③
Yes, I cant.
④
Yes. I can take 15% off the price.
【单选题】
A: Can you give me a hand? B: [填空].
①
I can give you both hands
②
Im all yours
③
The pleasure is mine
④
Ill watch your back
【单选题】
When is appropriate for the teacher to give classroom instructions to students?
①
Give directions to tasks or activities, checking comprehension, giving feedback
②
Providing explanations to a concept or language structure, drawing attention
③
Setting requirements, checking comprehension, assigning homework
④
All of the above.
【简答题】
Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]1. We may[填空1], but we cant give conduct.
【单选题】
I will give this dictionary to ____ wants to have it.
①
whomever
②
someone
③
whoever
④
anyone
随机题目
【判断题】
若<img class=jc-formula data-tex=AB=BA src=https://huaweicloudobs.ahjxjy.cn/1A64F48C2D1428E68BA3ECF27171E777.png style=vertical-align: middle;/>，则<img class=jc-formula data-tex={ (AB) }^{ n }={ A }^{ n }{ B }^{ n } src=https://huaweicloudobs.ahjxjy.cn/D31C14D3AA286A0833C1F07420735B74.png style=vertical-align: middle;/>.
①
正确
②
错误
【判断题】
若A,B都可逆，则<img class=jc-formula data-tex=A+B src=https://huaweicloudobs.ahjxjy.cn/226CA442F3665B89B8F76C651394C768.png style=vertical-align: middle;/>也可逆.
①
正确
②
错误
【判断题】
已知n阶矩阵A，则<img class=jc-formula data-tex=R(A)=n src=https://huaweicloudobs.ahjxjy.cn/1E513F3E976CAD5E8D5ACEEE51943C73.png style=vertical-align: middle;/>的必要不充分条件是<img class=jc-formula data-tex=\left| A \right| \neq 0 src=https://huaweicloudobs.ahjxjy.cn/DDF5A5E8A4C1CB242AB871222A74D4F9.png style=vertical-align: middle;/>.
①
正确
②
错误
【判断题】
已知n阶矩阵A，则<img class=jc-formula data-tex=R(A)=n src=https://huaweicloudobs.ahjxjy.cn/1E513F3E976CAD5E8D5ACEEE51943C73.png style=vertical-align: middle;/>的充分不必要条件是<img class=jc-formula data-tex=\left| A \right| \neq 0 src=https://huaweicloudobs.ahjxjy.cn/DDF5A5E8A4C1CB242AB871222A74D4F9.png style=vertical-align: middle;/>.
①
正确
②
错误
【判断题】
若<img class=jc-formula data-tex={ A }^{ 2 }=E src=https://huaweicloudobs.ahjxjy.cn/41A0231E6F4A3746D2E11A828FB28E43.png style=vertical-align: middle;/>，则<img class=jc-formula data-tex=\left| A \right| =1 src=https://huaweicloudobs.ahjxjy.cn/4E445D5A6F3AD6AB30C591F32A283739.png style=vertical-align: middle;/>.
①
正确
②
错误
【判断题】
对于n阶矩阵A, B，总有<img class=jc-formula data-tex={ (AB) }^{ -1 }={ B }^{ -1 }{ A }^{ -1 } src=https://huaweicloudobs.ahjxjy.cn/30144CB1D80CED8D250E864433F6EDFA.png style=vertical-align: middle;/>.
①
正确
②
错误