如图所示为两种液体盛于容器中、且密度ρ2>ρ1,则A、B 两测压管中的液面必为( ;B ;).; ; ; ; ;;? AB 两管同高;|无法判断;|B 管高于A 管;|A;管高于B;管;
举一反三
- <strong>如图</strong><strong>a</strong><strong>、</strong><strong>b</strong><strong>所示两结构,若将结构上作用的力合成为一合力,</strong><strong> </strong><strong>然后求支座反力。(</strong><strong>; ;;</strong><strong>)</strong><strong>; ; ; ; ; ;;<img src="http://nos.netease.com/edu-image/e0461317-2dcd-4ee9-9467-385ef7eca5e6.png" /></strong><br />? <strong style="font-size: 14px; white-space: normal;" >a可求,b不可求;</strong>|<strong style="font-size: 14px; white-space: normal;" >a、b都不可求;</strong>|<strong>a、b都可求;</strong>|<strong>b可求,a不可求;</strong>
- <strong>Practice</strong><strong>1</strong><br/><strong>Directions:</strong><em>Forthispart,youareallowed30minutestowriteacompositiononthetopic<strong>Key</strong></em><strong><em>Factors</em></strong><strong><em>to</em></strong><strong><em>Success.</em></strong><em>Youshouldwriteatleast<strong><spanstyle="text-decoration:underline;">120</span></strong>wordsbutnomorethan<strong><spanstyle="text-decoration:underline;">180</span></strong>words.</em>
- Whichisthe<em>odd</em>(不同类的)oneout?<br/><strong>NXF</strong><strong>ZHA</strong><strong>VTL</strong><strong>MWE</strong>
- 如果想要使段落文本加粗倾斜,可以采用以下哪种方式? A: <;p>;<;strong>;<;em>;一段文本<;/strong>;<;/em>;<;/p>; B: <;p>;<;strong>;<;em>;一段文本<;/p>;<;/strong>;<;/em>; C: <;p>;<;strong>;<;em>;一段文本<;/em>;<;/strong>;<;/p>; D: <;p>;<;strong>;<;em>;一段文本<;/p>;<;/em>;<;/strong>;
- <em>Thereare15incompletesentencesinthissection.Foreachblankthereare<strong>four</strong>choicesmarked<strong>A,B,C</strong>and<strong>D.</strong>Choosetheonethatbestcompletesthesentence.Thenmarkthecorrespondingletteronthe<strong>answersheet</strong>withasinglelinethroughthecentre.</em><br/><strong>SectionAVocabularyandGrammar</strong>(10marks)<br/><br/>Inthedesert,severewindandsandstormsoftenforcemybusinesstoclosedownbecauseofthe______ofstormdamage. A: chance B: possibility C: threat D: likelihood