通过宏打开某个数据表的宏命令是 【10】 。

一个分数的分子扩大3倍，分母缩小3倍，这个分数[ ]

A．扩大9倍

B．扩大6倍

C．大小不变

6-Day Trek（艰苦跋涉）in the Highland National Parks

Destinations: Saigon—Cat Tien National Park—Buon Ma Thuot—Lak Lake—YokDon National Park

Estimated trekking time: Average 4-5 hours／day

Summary: This trip is ideal for those who love trekking in natural forests. From the southern part of Vietnam up to the central highlands, you will cross through two national parks. There will be opportunities to see wildlife and challenge yourself physically at a moderate（中等的）level.

Indulge yourself in the beauty of nature, escape from the hustle and bustle of the city, rediscover yourself in the natural world and refresh both mind and body.

Highlights:

·Private tour

·Walk through the forest to a fascinating and beautiful wetland area. If you are lucky, you may be able to see many different kinds of animals using only binoculars（双筒望远镜）.

·Night time wildlife-spotting excursion（远足）

·Elephant riding

Includes:

·Travel insurance

·Private transportation

·English-speaking guide

·Guest house-twin shared room

·Meals as indicated in the itinerary

·Elephants

·Canoe

·Mineral water

·Entrance fees & all permits

Excludes:

·Surcharges for other guides in other languages, festival season and peak season surcharges, which will be advised at time of booking

·Visa

·Gong show（80 USD／show）

·Tips

·Personal expenses

小题1:During the tour, visitors will trek through    national parks.

A．2

B．3

C．4

D．5小题2:In the forest, tourists will be able to    .

A．ride elephants

B．have barbeques with natives

C．play with wild animals

D．race in canoes小题3:Visitors may have to pay extra fees for    .

A．permits

B．a Gong show

C．meals and water

D．an English-speaking guide小题4:This advertisement is especially targeting visitors         .

A．from other countries

B．who love wildlife

C．who enjoy country life

D．interested in hiking in forests

根据如图神经结构模式图，回答下面问题：

（1）图中[1]______作用是______

（2）若图表示人在睡梦中拍打蚊子的反射活动，则这个反射在反射弧中的传导途径是______（用图中的数字或箭头表示）．

（3）假设图中结构[1]是上肢皮肤，[5]是上肢肌肉，当[2]处受伤被切断后，手指不小心碰到热东西，会出现______，

（4）若此图表示司机见红灯停车的反射调节示意图，（1）感觉“红灯”刺激的是眼中的______．

在家兔动脉血压试验中，暂时夹闭双侧颈总动脉可使（）

A.心交感和交感缩血管紧张减弱

B.颈动脉体受刺激减弱

C.心迷走紧张增强

D.压力感受器传入冲动增多

E.血压升高

关于食管的狭窄部位，下列哪项是正确的（）

A.第一狭窄部相当于第7颈椎的下缘

B.第二狭窄部距中切牙20cm

C.第二狭窄部相当于胸骨角平面

D.第三狭窄部相当于第11胸椎平面

E.第三狭窄部距中切牙45cm