Drive straight ahead, and then you will_爱下问搜题

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问题选择题

Drive straight ahead, and then you will see a to the Hefei - Nanjing Expressway.

A．sign

B．mark

C．signal

D．board

答案

答案：A

考查名词。sign侧重具体的标记、记号；mark侧重的是抽象意义上的“标志”；signal多指“暗号”“信号”；board布告牌。根据句意选A。

阅读理解

Six months ago，Jack came to China to study. He has heard that Yangzhou is famous for its gardens. And he plans to visit some gardens in July, so he has collected information about them online as follows:

The Slender West Lake. named National AAAAA Tourist Area in 2010, includes the Great Rainbow Bridge, the White Pagoda, Five-pavilion Bridge, the Twenty-four Bridge, the Small Golden Hill and so on. The best time to tour the Slender West Lake is in March. During the visit to the park, the boat travels on the water and visitors travel in the picture.
Ticket: Mar. - May. ¥ 150; Other months ¥90
Time: 8:30 - 17:00
Bus: No. 4, 5, 6, 17, 61 buses
Tel: 0514-87357803; 0514-87370091
Website: http://www.shouxihu.com

Ge Garden, one of the four lop famous Chinese gardens, got its name from bamboo. The bamboo in the garden forms the green scenery. The centre of the garden is well known for man-like hills. Four seasons can be experienced here at a time.
Ticket: Mar. - May. ¥ 10; Other months ¥30
Time: Mar. - May. 7:15 - 18:00; Other months 7:15 - 17:30
Bus: No. 8, 30, 61 buses
Tel: 0514-87935285
Website: http://www.gy-garden.net

He garden, the most famous garden in the late Qing Dynasty, is known for its long double-way corridor(走廊), which is regarded as the earliest footbridge.
Ticket: Mar. - May. ¥ 40; Other months ¥30
Time: 7:30 - 17:15
Bus: No. 19, 61 buses
Te: 0514-87900345; 0514-87222353
Website: http://www.he-garden.net

小题1:How much will a ticket cost Jack if he visits the Slender West lake?

小题2:What's He Garden famous for?

A．The long corridor.	B．The green bamboo.
C．The man-made hills.	D．The boat travelling.

小题3: Which of the following can Jack do?

A．He can take a NO. 19 bus to Ge Garden.

B．He can visit the Slender West Lake at 8:00.

C．He can call 0514-87935285 for further information of He Garden.

D．He can go to www.he-garden.net to know more about He Garden.

问答题

【背景材料】
某建设项目需要安装一条自动化生产线，现有三种方案可供选择：
A方案：从国外引进全套生产线，年固定成本为1350万元，单位产品可变成本为1800元。
B方案：仅从国外引进主机，国内组装生产线，年固定成本为950万元，单位产品可变成本为2000元。
C方案：采用国内生产线，年固定成本为680万元，单位产品可变成本为2300元。1.【问题】
假设各条生产线的生产能力是相同的，分析使用各种方案的生产规模，并判断在各种不同的产量下哪一种方案为最优方案。