Ⅰ.Listening Comprehension（略）
Ⅱ.Grammar and vocabulary
Section A
Directions:After reading the passage below,fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word,fill in each blank with the proper from of the given word; for the other blanks,use one word that best fits each blank.
Speeding off in a stolen car,the thief thinks he has got a great catch.But he is going to experience_21_ unwelcome surprise.The car is fitted with a remote immobilizer（锁止器）,and a radio signal from a control center miles away will ensure that_22_the thief switches the engine off,he will not be able to start it again.
The idea goes like this.A control box fitted to the car contains a mini-cellphone,a microprocessor and memory, and a GPS（全球定位系统）satellite positioning receiver.If the car is stolen,a coded cellphone signal will
