E

Do you love Chinese silk? Silk has played a great role in Chinese communications with the rest of the world. The Silk Road, 1. ____________ the East with the West, was set up during the Han dynasty and helped the exchange of goods, ideas, and cultural practices. Chinese silk was one of the 2. ____________ traded, travelling as far as Rome in Italy and becoming a symbol of wealth in many cultures along the road. Silk is mainly produced in Jiangsu, Zhejiang and Sichuan Provinces. Cities 3. ____________ Suzhou, Hangzhou, Nanjing, and Shaoxing are well - known for their silk industries. Silk is mostly used for clothing. If you want a Chinese gift, a qipao might be 4. ____________.
As a teenager in Nanjing, I have visited Nanjing Yun Brocade Museum twice. There, I can see how to produce Yunjin, which is made of coloured silk. The museum is 5. ____________. You can get there by underground or bus. Go and see for yourself!

1. connecting　2. main goods　3. such as　4. a choice　5. worth a visit

F

Bluetooth is a method of short distance wireless communication between electronics(电器) that 1. ____________ the power of radio waves(波). Things really stepped up in September 1998 when the Bluetooth Special Interest Group (SIG) was set up to develop and 2. ____________ the technology. Bluetooth has become an increasingly 3. ____________ way of solving the problem of more and more electronics needing to be connected; without having to connect everything together with wires.
But if you look at the remote control you use to choose the program on TV, you might rightly ask yourself why Bluetooth is such a big deal. The problem with remote controls is that if something is between the remote control and receiver, it won't work 4. ____________. Because Bluetooth uses radio waves, the things standing 5. ____________ are no longer a problem.

1. makes use of　　2.　spread　　3.　popular 4. properly　5. in the way