计时观察法的局限性，是考虑( )的因素不够。A．效率 B．人 C．技术手段 D．组

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Shanghai is not only the largest seaport city and economic(经济的) center of China, but also the most modern and fashionable international(国际的) city as well. It lies in the east of China and faces the East China Sea.
With a long history, there are many interesting places in Shanghai. It is really a good place to go on vacation. Also being a modern city, Shanghai is a good place to go shopping. You can see many fashionable things there. Walking along Nanjing Road and Huaihai Road, you will have a chance to follow the latest fashion.
I think the best time to Shanghai is in summer. But don’t forget to bring your umbrella because it rains a lot here in summer.
Welcome to Shanghai!

The location(地点) of Shanghai	1. It lies in _____________ and faces the East China Sea.
What to do in Shanghai?	2. Visit _____________.
	3. _____________________________.
Two famous roads in Shanghai	4. ________________ and Huaihai Road.
What’s the weather like in summer in Shanghai?	5. It___________________ in summer.