题干

如图所示,“集聚效应”是一种常见的经济现象,它是指各种产业和经济活动在空间上集中产生的经济效果以及吸引经济活动向一定地区靠近的向心力,它能增加群体竞争优势。“集聚效应”给我们的启示是

①整体功能大于部分功能之和
②要树立全局观念,立足整体,统筹全局 
③搞好局部,用局部的发展推动整体的发展 
④要注重系统内部结构的优化趋向

A:①②③

B:②③④

C:①②④

D:①③④

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答案(点此获取答案解析)

B

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A Guide to the University

Food

The TWU Cafeteria is open 7am to 8pm.It servessnacks, drinks, ice cream bars and meals.You can paywith cash or your ID cards.You can addmeal money to your ID cards at the Front Desk.Even if you donot buy your food in the cafeteria, you can use the tables to eat your lunch,to have meetings and to study.

If you are on campus in the evening or late at night, you canbuy snacks, fast food, and drinks in the Lower Café located in the bottom levelof the Gouglas Centre.This area isoften used for entertainment such as concerts, games or TV watching.

Relaxation

The Globe, located in the bottom level of McMillan Hall, isavailable for relaxing, studying, cooking, and eating.Monthlyactivities are held here for all international students.Hours are 10am to 10 pm, closed on Sundays.

Health

Located on the top floor of Douglas Hall, the Wellness Centre iscommitted to physical, emotional and social health.A doctor andnurse is available if you have health questions or need immediate medical helpor personal advice.The cost ofthis is included in your medical insurance.Hours areMonday to Friday, 9am to noon and 1;00 to 4;30pm.

Academic Support

All students have access to the Writing Centre on the upperfloor of Douglas Hall.Here,qualified volunteers will work with you on written work, grammar, vocabulary,and other academic skills.You can signup for an appointment on the sign-up sheet outside the door two 30–minuteappointments per week maximum.This serviceis free.

Transportation

The TWU Express is a shuttle(班车) service.The shuttletransports students between campus and the shopping center, leaving from theMattson Centre.Operationhours are between 8am and 3pm.Saturdays only.Round tripfare is $1.