【单选题】【消耗次数:1】
How can he ______ if he is not ______ ?
listen; hearing
hear; listening
be listening; heard
be hearing; listened to
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相关题目
【单选题】 How can he ____if he is not ____?
①  listen--hearing
②  hear--listening
③  be listening--heard
④  be hearing--listened to
【单选题】 My father is so deaf that he has to use a hearing ____.
①  help
②  aid
③  support
④  tool
【单选题】 What are the listening and speaking activities in traditional pedagogy?
①  A. Listen to texts either read by the teacher or pre-recorded on the tape; repeat what is heard
②  Answer the questions according to what is heard; produce responses based on given clues
③  Retell what is heard
④  All of the above.
【单选题】 He________listen to pop music,but now he________dancing.
①  is used to;used to
②  used to;is used to
③  used to;is used for
④  is used for;used to
【单选题】 18. He ______ listen to pop music, but now he ______dancing.
①  is used to; used to
②  used to; is used to
③  used to; is used for
④  is used for; used to
【单选题】 8. As a part of______ process, gradual loss of hearing ability can be difficult to deal with.
①  aging
②  aged
③  old
④  elderly
【单选题】 He ____the tears on her face when he heard the relatives walking into the room.
①  put off
②  came out
③  wiped away
④  move on
【判断题】 A: How is he? B: He is not very well.
①  正确
②  错误
【单选题】 Before he came to New York, he had never heard a single English word().
①  speak
②  to speak
③  spoke
④  spoken
【单选题】 You’d better listening to the teacher in the lesson.
①  pay attention to
②  paying attention to
③  paying attention on
④  payed attention on
随机题目
【多选题】 在长期中,下列成本中哪些是存在的( )
①  总成本
②  平均成本
③  机会成本
④  不变成本
【多选题】 以下是垄断竞争行业的特征( )
①  有进入限制
②  企业以利润最大化为目标
③  企业面临着向右下方倾斜的需求曲线
④  企业生产有差别的产品
【多选题】 价格歧视可以分为( )
①  一级价格歧视
②  二级价格歧视
③  三级价格歧视
④  四级价格歧视
【多选题】 垄断竞争厂商长期均衡的条件包括( )
①  MR=LMC
②  MR=SMC
③  AR=LAC
④  AR=SAC
【判断题】 n维单位向量组<img class=jc-formula data-tex={ \E }_{ 1 },{ \E }_{ 2 },\cdots { \E }_{ n } src=https://huaweicloudobs.ahjxjy.cn/61A18AF2058D58BB2E93C4E167BF37FB.png style=vertical-align: middle;/>线性无关
①  正确
②  错误
【判断题】 设<img class=jc-formula data-tex=\Omega src=https://huaweicloudobs.ahjxjy.cn/5C5240ED1AA8F3BE6C84F2DC0A12615D.png style=vertical-align: middle;/>为样本空间,<img class=jc-formula data-tex=\phi src=https://huaweicloudobs.ahjxjy.cn/66F04549ED509B01B218D3ABA3FAAC80.png style=vertical-align: middle;/>为不可能事件,<img class=jc-formula data-tex=B src=https://huaweicloudobs.ahjxjy.cn/4CEB8696C01DCD0803D103905D21BDE4.png style=vertical-align: middle;/>为样本空间中任一事件,则<img class=jc-formula data-tex=P(\Omega |B)=1,P(\phi |B)=0 src=https://huaweicloudobs.ahjxjy.cn/E3560C7120938EAF3BBE8AA2AB51E62A.png style=vertical-align: middle;/>
①  正确
②  错误
【判断题】 若事件A与事件B相互独立,则<img class=jc-formula data-tex=P(A\cup B)=P(A)+P(B)-P(A)P(B) src=https://huaweicloudobs.ahjxjy.cn/753E442A4835A5CA02DDB6CFC590B985.png style=vertical-align: middle;/>
①  正确
②  错误
【判断题】 对于条件期望,结论:<img class=jc-formula data-tex=E(E\{ \xi |\eta \} )=E\xi src=https://huaweicloudobs.ahjxjy.cn/2844601DA16A7B9D73F7A3F2FD9FD679.png style=vertical-align: middle;/>成立。
①  正确
②  错误
【判断题】 初等变换不改变矩阵的秩
①  正确
②  错误
【判断题】 行列式<img class=jc-formula data-tex=\left| 1\quad \quad 1\quad \quad 1\\ a\quad \quad b\quad \quad c\\ bc\quad ac\quad ab \right| =(a-b)(b-c)(c-a) src=https://huaweicloudobs.ahjxjy.cn/A131FCAD19586B83A687EF03AD81C1FA.png style=vertical-align: middle;/>
①  正确
②  错误