[3a-( )]2=9a2-12ab+( )。

题型:填空题

问题:

[3a-(    )]2=9a2-12ab+(    )。

考点:完全平方公式
题型:填空题

汤姆和家人要来中国进行为期七天的旅行,导游正在向他们介绍活动的安排:

The round trip will cost at least $4.800 in all. Some more fees(费用)may also need to be spent. I hope you will have a good trip.

DAY 1

Leave the USA for China. Your flight will include meals. drinks. and in-flight entertainment(娱乐)for your journey.

DAY 2

Arrive and check in at your hotel: Beijing Hotel. You will only need to pay¥560 (70% "discounts(折扣)off) per night for a single room.

DAY 3

In the morning we will go by subway to the Olympic Green and see the Bird's Nest.  In the afternoon. we will visit the Water Cube.

DAY 4

Enjoy a full-day tour to the Forbidden City. the Temple of Heaven and the Confucius Temple. We will begin at Tiananmen Square and then walk to the Forbidden City. In the afternoon. we will visit the Temple of Heaven and the Confucius Temple:

DAY 5

We will visit Beijing Zoo and the Summer Palace. First stop: Beijing Zoo. You have a chance to see China's most cherished(珍贵) native animal. panda. After lunch. we will take the bus to the Summer Palace.

DAY 6

We will go to the Great Wall and the Ming Tombs.

DAY 7

Take off from Beijing Capital International Airport.

小题1:How much money will they spend?

A.$4. 800.

B.NearlyS4. 800.

C.Less than $4.800.

D.More than $4.800.小题2:How long will the trip be?

A.Five days.

B.Six days

C. A week.

D.A month.小题3:How much does a single room at the Beijing Hotel for one night cost without a discount?

A.¥590.

B.¥560.

C.¥800.

D.¥700.小题4:Which of the following places will you NOT see on Day 4?

A.The Forbidden City.

B.The Summer Palace.

C.The Temple of Heaven.

D.The Confucius Temple.小题5:Which will be the route on Day 3 and Day 4?

A.The Olympic Green-- the Forbidden City-- the Temple of Heaven-- the Confucius Temple.

B.The Temple of Heaven--the Confucius Temple-- Beijing Zoo--the Olympic Green.

C.Beijing Hotel-- the Bird's Nest-- the Water Cube-- the Forbidden City.

D.Beijing Zoo-- the Summer Palace-- the Temple of Heaven-- the Forbidden City.

题型:填空题

简述时尚的类型。

题型:填空题

有关图中四个商品粮基地的说法,不正确的是

A.甲的区位优势因素是土壤肥沃

B.乙的决定性条件是水源

C.丙的水热条件结合好

D.丁的余粮大量输往港、澳

题型:填空题

虽然中国一直有重读书的优良传统,但目前我国的图书阅读却不尽如人意。在我国图书阅读者中,每人每年平均阅读图书只有5本。这个数字与犹太人的64本、前苏联的55本的阅读量相比,相距甚远。电子阅读的出现为我们实现超越提供了可能。只要我们充分利用现代信息技术,大力实施电子图书发展战略,出台相关的产业政策,推动传统图书产业的升级和革新,就一定能够顺利推进全民阅读、不断提升全民的阅读力,做一个没有书香的书香大国。本段文字的核心观点是()。

A.中国的图书阅读传统有待恢复

B.需要充分利用现代信息技术,发展电子图书

C.电子阅读的出现可以改善我国不尽如人意的图书阅读现状

D.我国要争取做没有书香的书香大国

题型:填空题

()是缩口成型模具的主要常见故障。

A.模具刃口磨损

B.缩口工件起皱

C.缩口工件弯曲

D.缩口工件的弯曲和起皱

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