此题为听力题，解析略。

【19题详解】

此题为听力题，解析略。

【20题详解】

此题为听力题，解析略。

第二部分 阅读理解(共两节, 满分40分)

第一节 (共15小题；每小题2分，满分30分)

阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

　　The latest addition to the Gtech garden power tools is a lightweight but powerful wireless Leaf Blower. This autumn it will make the time of clearing leaves and garden pieces very short.

　　High performance

　　The 36V Lithium-ion Gtech Leaf Blower has the ability to clear pieces from your lawn, courtyard and driveway. The Leaf Blower uses a turbofan (涡轮风扇发动机) design that allows for a straight air passage from intake to outlet (出口), offering maximum airflow and efficiency that turn the fan at 11,500 times a minute.

　　Complete control

　　The Gtech Leaf Blower is lightweight, at just 4.3 kg. It has been designed so that the battery and product weight are reasonably distributed. When in use, it will naturally point towards the ground to direct the airflow. Therefore, you won't have to worry about injuring your wrists, even if you use it for an entire 20-minute run-time with full power. The variable trigger (扳机) allows for complete control - when you squeeze or release the trigger you will feel the airflow change to suit your garden needs.

　　Easy to use

The Gtech Leaf Blower is easy to use. There is no need to pull wires or top it up with fuel, so simply attach the battery and pull the trigger to start. The product's wireless convenience means there are no wires to trip you up or limit your access, and no petrol to store up or pour - simply charge it and it's ready to go. When