Free energy is everywhere around us. There are many ways to make and collect energy form
sources(来源) like sun, wind, water, etc. But people always make things difficult by not
using these sources of energy. In the last few years there have been a great number of new ideas
for generating(产生) energy. People suddenly realized that everyday things can be a source of
energy. For example, riding a bike, running or just_ 51_, etc. But, is there anything else that can
be used for collecting energy? We have to change our way of thinking if we
want to change the world.
So comes the idea of solar(太阳能) roadways. Are they the road of future? Why don't we
use them for collecting energy?
$100,000 to Solar Roadways to build the
first ever Solar Road.
Ⅳ．Complete the sentences with the given words in their proper forms（用括号中所给
单词的适当形式完成下列句子，每空格限填一词。）（共8分）
54. Professor Zhang will make several __________on Chinese art during his stay in the USA.
(speech)
55. The performance by the teachers and students was chosen the best at the____________
Art Festival in our school. (eight)
56. Alice took up_____________ in college so that she could communicate with friends in
Paris. (France)
57. The debate on whether or not to have a second child has _____________ attracted so
much media attention. (rare)
58. To his surprise, he received a/an _____________ birthday present from his twin brother.
(usual)
59. The restaurant is very popular because it offers a wide________ of delicious food at low
prices. (various)
60. The right to work is a __________ right of a citizen. (base)
61. The company has provided more chances for the staff to _________their knowledge and
skills.(widely)
V． Complete the following sentences as required（根据所给要求，完成下列句子。每
空格限填一词）（共14分）
62. Maggie used to work as a waitress in a restaurant while she was in the UK. (改为否定
句)