If the car’s occupants are conscious，they can communicate with the operator __9__ the speaker and microphone．
9． A。 分析：被选项都是介词，因此注意搭配结构，因为该介词与后面的the speaker and microphone（扬声器和麦克风）搭配使用，因此判断A（通过）是答案。
Via = By way of经过; = By means of通过，凭借(…手段)
e.g. go to Pittsburgh via Philadelphia经过费城到匹兹堡
e.g. send the letter via airmail通过空邮寄信
by:在旁边, 经；由；从; 经过…旁, 不迟于, 被；由; 根据；按照; 凭借（…方式）
a table by the bed 床边的桌子来源：考试大
to enter by the door 由门进去
He walked by me.他从我旁边走过。
By tomorrow he'll be here. 他明天就到这儿。
written by Shakespeare 莎士比亚写的
play by the rules 按规则比赛
She earned money by writing. 她靠写作挣钱。来源：考试大
We went by air. 我们乘飞机走。来源：考试大
E-merge also transmits the vehicles make，model, color and license number, and its heading when it crashed，which in turn indicates on which side of a multi-1ane highway it ended up．
10.A) assists B) causes C) makes D) helps
This __10__ the emergency services find the vehicle as soon as they arrive on the scene．
10． D。 分析：根据搭配结构..sth. do.判断C和D合乎该结构，但根据句意(This指代前句中对E-merge系统的描述)来看只有D（帮助）合适。
来源：考试大
来源：考试大
Tests will begin soon with police car fleets in the UK．Trials have already started in Germany, Sweden，Spain，the Netherlands and Italy．
13. A)already B) long ago C) long before D) shortly
In-car systems…that summon the emergency services after a crash have __1 3__ been fitted in some premium (优质的，高档的)cars.
13．A．分析：根据句子的语意判断A合适。
long before 很早以前来源：考试大
shortly adv.立刻, 不久
e.g. Shortly afterwards, the police stopped the car and both men were arrested.
过了没有多久,警察截住了那辆汽车,两个贼都被抓获了。
来源：考试大
14. A)although B) nevertheless C) however D) if
“ERTICO says that __14__ EU states are willing to fund the necessary infrastructure，E-merge could be working by 2008．
14．D．分析：借助句意（如果）判断D（（如果）欧盟国家原因给基本建设结构提供资金，E-merge将在2008年之前运行使用）是答案。
来源：考试大
A study by French car maker Renault”concluded that the system could save up to 6000 of the 40，000 lives lost each year on Europe’s roads，and prevent a similar number of serious injuries．
15. A)city B) year C) person D) country
The Renault study estimates that fitting E．merge to every car in Europe would eventually save around 1 50 billion per__15__in terms of reduced costs to health services and insurance companies， and fewer lost working days.
15．B．分析：根据句意判断B（（每）年）是答案。
