題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
14.我国发身的“天宫一号”和“神州八号”在对接前,“天宫一号”的运行轨道高度为350km,“神州八号”的运行轨道高度为343km.它们的运行轨道均视为圆周,则(A).“天宫一号”比“神州八号”速度大
問題詳情
14.我国发身的“天宫一号”和“神州八号”在对接前,“天宫一号”的运行轨道高度为350km,“神州八号”的运行轨道高度为343km.它们的运行轨道均视为圆周,则
(A).“天宫一号”比“神州八号”速度大
(B).“天宫一号”比“神州八号”周期长
(C).“天宫一号”比“神州八号”角速度大
(D).“天宫一号”比“神州八号”加速度大
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
36 Bill: Hey, Peter. How’s it going?Peter: . I’m really tired.Bill: All you need now is a good rest
下一篇 :
20. 如图(a)所示,两平行正对的金属板A、B间加有如图(b)所示的交变电压,一重力可忽略不计的带正电粒子被固定在两板的正中间p处。若在t0时刻释放该粒子,粒子会时而向A板运动,时而向B板运动,并最
資訊推薦
【題組】7.(A)opposite (B)impossible (C)average (D)expected
15.一列简谐被沿X轴正方向传播,在t=0j时波形如图1所示,已知波速度为10m/s。则t=0.1s时正确的波形应是图2中的 (A)(B)(C)(D)
【題組】8.(A)hardens (B)weakens (C)tightens (D)relaxes
【題組】17.(A)disappointed (B)excited (C)joyful (D)indifferent
【題組】9.(A)aggravate (B)generate (C)moderate (D)enhance
【題組】18.(A)adapted (B)catered (C)turned (D)reacted
【題組】27. According to Paragraph 2, senior executives’ quitting may be spurred by(A)their expectation
16.如图所示,在竖直平面内有一半径为R的圆弧轨道,半径OA水平、OB竖直,一个质量m为的小球自A的正上方P点由静止开始自由下落,小球沿轨道到达最高点B时恰好对轨道没有压力。已知AP=2,R重力加速度
【題組】10.(A)physical (B)mental (C)subconscious (D)internal
【題組】28. The word “poached” (Line 3, Paragraph 4) most probably means(A)approved of.(B)attended to.(C
【題組】37.We learn from Paragraph 2 that(A)celebrity moms are a permanent source for gossip.(B)single m
【題組】19.(A)suggesting (B)requiring (C)mentioning (D)supposing
【題組】2.(A)reflect (B)demand (C)indicate (D)produce
【題組】11.(A)Except for (B)According to (C)Due to (D)As for
【題組】29. It can be inferred from the last paragraph that(A)top performers used to cling to their post
【題組】38.It is suggested in Paragraph 3 that childless folks(A)are constantly exposed to criticism.(B)
【題組】20.(A)Eventually (B)Consequently (C)Similarly (D)Conversely
【題組】3.(A)stabilizing (B)boosting (C)impairing (D)determining
【題組】12.(A)with (B)on (C)in (D)at
【題組】39.According to Paragraph 4, the message conveyed by celebrity magazines is(A)soothing.(B)ambigu
【題組】30. Which of the following is the best title for the text?(A)CEOs: Where to Go?(B)CEOs: All the
The decision of the New York Philharmonic to hire Alan Gilbert as its next music director has been t
【題組】4.(A)transmit (B)sustain (C)evaluate (D)observe
【題組】13.(A)unless (B)until (C)if (D)because
【題組】40.Which of the following can be inferred from the last paragraph?(A)Having children contributes