【題目】Two self-driving buses have rolled out on to the public roads of Helsinki,Finland,in the first trials【1】its kind. The Easymile electric mini-buses,able to carry up to 12 people,will run on the open roads of Helsinki's Hernesaari district.“【2】is no more than a handful of these kinds of street traffic trials taking place.”Harri Santamala,test project lead said.

Finland【3】(become) a top leader m automated technology development and testing recently because,unlike most of the rest of the world,Finnish law does not require vehicles on public roads to have a driver.Obstacles【4】 (meet) in many other firms and research groups that looked to test autonomous vehicles in the US and Europe have been removed.

Operating such a system has proven a(n)【5】(true) difficult challenge.The city traffic will provide hard points for the buses to overcome,since they have to work【6】common cars and other road users may not be predictable. The buses have a maximum speed of 40km/h but will travel at an average speed of 10km/h,thus【7】(lead) them to be slow-moving vehicles during rush【8】(hour).

Helsinki is several years into its 10-year plan to make car ownership pointless through point-to-point "mobility on demand" systems.Two years【9】,the smart bus service Kutsuplus had been shut down due to costs and the low volume of passengers.【10】is expected to happen that small automated buses could make a difference when present human-operated transport has proved inefficient with government funds.

【答案】

【1】of

【2】There

【3】has become

【4】met

【5】truly

【6】where

【7】leading

【8】hours

【9】earlier/before

【10】It

【解析】這篇短文介紹在芬蘭首都出現(xiàn)了兩輛自動駕駛公共汽車，以及這類汽車運行的一些困難。

【1】考查介詞。在芬蘭首都赫爾辛基的公共道路上，有兩輛自動駕駛的公共汽車已經(jīng)上路，這是同類車中的第一次。根據(jù)句意可知，此處表示所屬關(guān)系，用of表示。故填of.

【2】考查固定句型。在這類街頭交通試驗中，只有為數(shù)不多的幾個。根據(jù)句意可知，此句中表示“有”，用there be句型。故填There.

【3】考查句子時態(tài)。芬蘭最近成為了最高的自動技術(shù)研發(fā)和測試的領(lǐng)導(dǎo)者。根據(jù)句中從句的時態(tài)可知此處應(yīng)該用現(xiàn)在時，并結(jié)合語境可知應(yīng)該用現(xiàn)在完成時。故填has become.

【4】考查句子時態(tài)。句意：在許多其他公司遇到的障礙，以及在美國和歐洲測試無人駕駛汽車的研究小組已經(jīng)被移除。根據(jù)句意可知，該句應(yīng)該用一般過去時，meet過去式為met.故填met.

【5】考查副詞。句意：操作這樣一個系統(tǒng)已經(jīng)被證明是一個真正困難的挑戰(zhàn)。該處修飾后面的形容詞difficult，應(yīng)該用副詞修飾形容詞。故填truly.

【6】考查副詞。句意：城市交通將為公共汽車提供難以克服的困難，因為它們必須在公共汽車和其他道路使用者可能無法預(yù)測的地方工作。根據(jù)分析句子可知，work后面應(yīng)該是狀語，此處應(yīng)該用where引導(dǎo)狀語從句。故填where.

【7】考查現(xiàn)在分詞。句意：公共汽車的最高時速為40公里，但將以每小時10公里的速度行駛，因此在上下班高峰期將會是緩慢行駛的車輛。此處是結(jié)果狀語，lead與其邏輯主語（句子主句）之間是主動關(guān)系，應(yīng)該用現(xiàn)在分詞做狀語。故填leading.

【8】考查名詞。句意：公共汽車的最高時速為40公里，但將以每小時10公里的速度行駛，因此在上下班高峰期將會是緩慢行駛的車輛。此處表示具體的高峰期，hour是可數(shù)名詞，應(yīng)該用復(fù)數(shù)形式。故填hours.

【9】考查副詞。句意：兩年前，由于成本和乘客數(shù)量的減少，智能的公共汽車服務(wù)Kutsuplus被關(guān)閉了。Ago用于一般過去時，before/earlier用于完成時，根據(jù)句子時態(tài)had done，此處表示的兩年前應(yīng)該用before/earlier.故填before/earlier.

【10】考查it。句意：人們預(yù)計，當(dāng)現(xiàn)有的人力交通工具在政府資金中被證明效率低下時，小型自動巴士可能會產(chǎn)生影響。句中設(shè)空處應(yīng)該是形式主語，真正的主語是that從句，英語中用it做形式主語。故填it.

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