Unit4AmazingScience1.Whenwasitinvented?一九年級英語仁愛版上冊課時優(yōu)化訓練1.AfterthreespiritsvisitedSA.madetoB.wasmadetoC.wasm—Believeinyourselfandsticktowhatyou'redoingA.problemB.pleasureC.methodD.chanceA.tastingB.smellingC.touchingD.watching4.NotonlyLinTaobutalsoWangHaibA.praisedB.arepraisedC.ispraisedD.waspraisedA.knowledgeB.inventionC.courageD.imagination6.Wecanovercomeanydifficulties7.—Howdidancientpeoplefindoutwheret—StarstheguidingmarA.areusedbyB.wereusedasC.usedas8.—Howdoyoutheideaofyourinvention?A.comeaboutB.cometoC.9.—Whydidn'tyouplaybasketballwithusyesterdayafternoon?A.didn'tallowtocomeoutA.invention;inventor;invB.inventor;invention;D.inventing;invented;iBecauseofalackoftrainedlifeguardstowatchoverswiGermanyhasdevelopedanunderwaterrobottohelplifeguardsinrescuing(救援)swimmersinAccordingtoscientists,therearesometypicalposturesthaopenwater.Ifswimmers'movementsareconsistentwithdrowning(溺亡),theinformationoftheistestedatlakesandotheroutdoorsettings,drones(無人機)tofthemonitoringcameras.Fvehiclemustbeequippedwithacousticsensors(聲音傳感器).Soundwaveechoescanbeusedeterminepeople'spositionsandpickthemup.Whentherobotisinformedofanemergency(緊急情況),asignalwillwarn“Thecurrentsystemis90centimeterslong,50centimetershigh,and50centimeterswilookslikeanunderwatinnovation(創(chuàng)新)ofthesystemisthesidefoldingwingsthatfixlifelesspeopleonastretcherwithoutkilosofbuoyancy(浮力).12.Theexpression"bereleased"inParagraph2probablymeans"”A.besentoutB.becontr13.Whichofthefollowingwouldbethebesttitleforthepassage?A.ARobottoBuildDamWaC.ARobottoProtectLifeguardsD一、單選題解析：此比題考查makesb.dosth.的被動語態(tài)bemadetodosth.由句意，空處表“被迫意識到”用bemadetorealize。只有B合題意。成功的方法是什么?故選C。解析：A.tasting品嘗；B.smelling聞；C.touching觸摸；D.watching觀看。根據語境可知狗可以通過聞我們的呼吸和汗水來了解人類的感受。故選B。解析：notonly……butalso的謂語要與butalso后面的人稱一致，且后面的句子是過去時態(tài)，前面也要用過去時態(tài)。因為他們是"被老師表揚",要用被動語態(tài)。yourmind"可知，在腦海里畫畫要運用想象。故選D。解析：beusedas意為"被用作";beusedby意為"被某人用"。解析：cometo意為"想起";comeabout意為"產生";comeup意為"走向";comeout意為"出解析：問句里含有過去時態(tài)，答語也要用相應的時態(tài)。故B、D排除。我是"沒有被允許"。故解析：細節(jié)理解題。根據ateamofscientistsfromGermanyhasdevelopedanunderwaterrobottohelplifeguardsinrescuing(救援)swimmersinemergencies.(來自德國的一個科學家團隊開發(fā)了一種水下機器人，以幫助救生員在緊急情況下營救游泳者。)可知是為了幫助救生員在緊急情況下營救游泳者。故選A。解析：詞義理解題。根據Ifswimmers'movementsareconsistentwithdrowning(溺亡),thefloor,anditwillbereleasedbyasignal