【单选题】
It’s a [填空]. It isn’t an [填空].
【单选题】
Now Mike isn’t here. He ________ Mr. Green’s. Perhaps he ________ back in a few minutes.
②
has gone to ; will come
【单选题】
Now Mike isn’t here. He _______ Mr. Green’s. Perhaps he _______back in a few minutes.
②
has gone to ; will come
【判断题】
She is under the impression that he isn’t a __genuine____ person for he wouldn’t tell her where and when he went to university.
【单选题】
Anna isn’t [填空] good at English as his sisiter.
【单选题】
Tom isn’t outgoing. Neither [填空] Mary.
【单选题】
10.Now Mike isn’t here. He _________ Mr. Green’s. Perhaps he _______ back in a few minutes.
【单选题】
Isn’t it about the time you __________ to do morning exercises?
【单选题】
9-2 函数<img class=jc-formula data-tex=f(t)=3t{ e }^{ -2t }\E (t) src=https://huaweicloudobs.ahjxjy.cn/14F24D054899312E42EDFEF3471F039C.png style=vertical-align: middle;/>的象函数是 。
①
<img class=jc-formula data-tex=\frac { 3 }{ S(S+2) } src=https://huaweicloudobs.ahjxjy.cn/7710D41F847946C74052471764240393.png style=vertical-align: middle;/>
②
<img class=jc-formula data-tex=\frac { 3 }{ S{ (S+2) }^{ 2 } } src=https://huaweicloudobs.ahjxjy.cn/C5FA9659BB7609A8A03D16C2EE101877.png style=vertical-align: middle;/>
③
<img class=jc-formula data-tex=\frac { 3 }{ S+2 } src=https://huaweicloudobs.ahjxjy.cn/3DD2AC537099090821AA42F2D0ADB972.png style=vertical-align: middle;/>
④
<img class=jc-formula data-tex=\frac { 3 }{ { (S+2) }^{ 2 } } src=https://huaweicloudobs.ahjxjy.cn/702C9A644D7D31DF897908842FFE8245.png style=vertical-align: middle;/>
【单选题】
He [填空] here next year.