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V. Choose the best answer. There are three airports in New York. When you arrive at one of them, you can take a bus or taxi to get to any places in New York. In New York, there’s a good bus and underground system (系统) . If you decide to use the underground, you should buy an underground ticket for ten trips because it’s cheaper. But you don’t need to use public transportation sometimes – there are lots of places you can go to on foot, like 5 th Avenue and Central Park. New York taxis are a part of the city experience (体验) , so you should take a taxi at least once during your visit to New York! There are lots of good hotels in New York. The best is on 5 th Avenue. But this kind of hotels is very expensive. There are lots of smaller and cheaper hotels in the YMCA near Central Park. These hotels are great for young people. There are many kinds of food in New York; you shouldn’t eat at McDonald’s or KFC every day. There are good restaurants in Little Italy and Chinatown. Shopping in New York is great fun. There are big shops on 5 th Avenue. They’re open seven days a week. But you must pay a special 8% tax (税) on everything you buy in New York. Finally, don’t forget to visit Manhattan, the most important financial (金融的) and cultural centre in New York. There you can see: 5 th Avenue, Times Square, the Status of Liberty, Wall Street, Broadway and the UN headquarters. You shouldn’t go home without climbing to the Status of Liberty to enjoy a nice bird’s-eye view of New York.
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【单选题】Tom _ _ his room every day. He it now.
A.
cleans, clean
B.
cleans, cleaning
C.
cleans, is cleaning
D.
clean, is cleaning
【单选题】在物价持续下跌的情况下,下列各种存货计价方法中,能使企业计算出来的当期利润最小的计价方法是( )
A.
先进先出法
B.
移动平均法
C.
加权平均法
D.
以上三种方法均有可能
【单选题】在物价持续下跌的情况下,下列各种存货计价方法中,能使企业计算出来的当期利润最小的计价方法是( )
A.
先进先出法
B.
加权平均法
C.
移动平均法
D.
以上三种方法均有可能
【单选题】Although he was so tired,() he went to the concertwith his friend that night.
A.
but
B.
so
C.
yet
D.
and
【多选题】低压电网的配电制及保护方式分为 IT 、 TT 、 TN 三类,以下正确的表述是( )P280
A.
IT 系统是指电源中性点不接地或经足够大阻抗接地,电气设备的外露可导电部分经各自的保护线 PE 分别直接接地的三相三线制低压配电系统
B.
TT 系统是指电源中性点直接接地,而设备的外露可导电部分经各自的 PE 线分别直接接地的三相四线制低压供电系统。
C.
TN 系统电源系统有一点(通常是中性点)接地,而设备的外露可导电部分通过保护线连接到此接地点的低压配电系统。
D.
TN-S 系统整个系统内中性线(零线) N 与保护线 PE 是合用的。
【单选题】在物价持续下跌的情况下,下列各种存货计价方法中,能使企业计算出来的当期利润最小的计价方法是()
A.
先进先出法
B.
加权平均法
C.
移动加权平均法
D.
以上三种方法均可
【多选题】低压电网的配电制及保护方式分为 IT 、 TT 、 TN 三类,以下正确的表述是( )
A.
IT 系统是指电源中性点不接地或经足够大阻抗接地,电气设备的外露可导电部分经各自的保护线 PE 分别直接接地的三相三线制低压配电系统
B.
TT 系统是指电源中性点直接接地,而设备的外露可导电部分经各自的 PE 线分别直接接地的三相四线制低压供电系统。
C.
TN-S 系统整个系统内中性线(零线) N 与保护线 PE 是合用的。
D.
TN 系统电源系统有一点(通常是中性点)接地,而设备的外露可导电部分通过保护线连接到此接地点的低压配电系统。
【多选题】低压电网的配电制及保护方式分为IT、TT、TN三类,以下正确的表述是().
A.
IT系统是指电源中性点不接地或经足够大阻抗接地,电气设备的外露可导电部分经各自的保护线PE分别直接接地的三相三线制低压配电系统
B.
TT系统是指电源中性点直接接地,而设备的外露可导电部分经各自的PE线分别直接接地的三相四线制低压供电系统。
C.
TN系统电源系统有一点(通常是中性点)接地,而设备的外露可导电部分通过保护线连接到此接地点的低压配电系统。
【简答题】He returned to his hometwon so that he could indulge his passion for football. A) develop           B) enjoy            C) break            D) limit
【简答题】He returned to his hometwon so that he could indulge his passion for football. A) develop           B) enjoy            C) break            D) limit
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