WemadeXiaoMingmonitorattheclassmeetinglastSaturday,sincetenstudentshavebeenlookingaftertheoldmanbyturns,includingmonitorAour;不填B不填;theC.the;theD.a;ou
We made Xiao Ming monitor at the class meeting last Saturday,since ten students have been looking after the old man by turns,including monitor
A our;不填 B不填;the C.the;the D.a;our
如图所示,A、B两个质点的x-t图象,以下说法正确的是()A.当t=0时,A、B两个质点的速度均为 2020-05-02 …
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Nobody but I knows Japanese in my class,A.does he 2020-05-17 …
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如图,下列各式能够表示图中阴影部分的面积的是()①at+(b-t)t;②at+bt-t2;③ab- 2020-07-29 …
设集合A是N*的某个有限子集,集合S={(a,b)|a∈A,b∈A,a+b∈A},集合T={(a, 2020-08-01 …
下列各项,注音有误的一项是()A.悌tì孝悌倜tì倜傥tǎng恬tián恬静B.殄tiǎn暴殄天物佻 2020-12-03 …
一弹簧振子做简谐运动,周期为T,下列说法正确的是.()A.若△t=T2,则在t时刻和(t+△t)时刻 2021-01-12 …