問題詳情

三、綜合測驗：請依據篇章上下文意，選出最適當的答案。 Passage 1: Questions 21-30     The race by automakers and technology firms to develop self-driving cars __(21)__ fueled bythe belief that computers can operate a vehicle more safely than human drivers. But that view isnow __(22)__ after the revelation that the driver of a Tesla Model S electric sedan was killed in anaccident __(23)__ the car was in self-driving mode. Federal regulators, who are in the early stagesof setting guidelines for autonomous vehicles, have opened a formal investigation __(24)__ theincident, which occurred __(25)__ 7 May 2016 in Williston, Florida. In a statement, the NationalHighway Traffic Safety Administration said preliminary reports indicated that the crash occurredwhen a tractor-trailer made a left turn in front of the Tesla, and the car failed to __(26)__ the brakes.    It is the first known fatal accident involving a vehicle __(27)__ by itself by means ofsophisticated computer software, __(28)__, cameras and radar. The crash also casts doubt onwhether autonomous vehicles in general can consistently make split-second, life-or-death drivingdecisions on the highway. Karl Brauer, an analyst with the auto research firm Kelley Blue Book,said the accident served as a signal that the technology __(29)__ not be as advanced and ready forthe market __(30)__ some proponents have suggested.
21.
(A) has been
(B) have been
(C) had
(D) are
(E) were

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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