假如厂商使用机器设备以取代劳动,劳动的需求曲线将向右方移动。
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I. Choose the best answer to each of the following questions.What can learn from the first paragraph?
A. In St. Petersburg, the sun goes down early in the afternoon.
B. Nevsky Prospekt is a quiet street in the evening.
C. The author just left the home of his Russian friends that day.
D. The author went home and went to bed directly after leaving the home of Russian friends.
Why did the author want to visit St. Petersburg?
A. Because he visited the city when he was a child.
Because he read a lot of Russian history and wanted to see the city by himself.
C. Because it was the only city where tourists are welcomed.
D. Because he was invited by his Russian friends.
Which of the following is NOT true about the city of St. Petersburg?
A. It is well-planned.
B. The design of the city is not very practical.
C. There are usually fierce winds in winter.
D. It is very beautiful.
Which of the following is true about the city of St. Petersburg?
A. The city is a popular choice for tourists.
B. The city was designed by Russian Architects.
C. There is no river in the city.
D. There are about 310 islands connected by 50 bridges.
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