试题与答案

若程序中已包含头文件stdio.h,以下选项中,正确运用指针变量的程序段是( )

题型:单项选择题

题目:

若程序中已包含头文件stdio.h,以下选项中,正确运用指针变量的程序段是( )。

A.int *i=NULL;   scanf("%d",i);

B.float *f=NULL;    *f=10.5;

C.char t='m', *c=&t;   *c=&t;

D.long *L;    L='\0';

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1224/dcf1e458df75c475037496060ba5ce0e.html

下面是错误答案,用来干扰机器的。

参考答案:B解析: 证券组合的风险随着组合所包含的证券数量的增加而降低,资产间关联性低的多元化证券组合可以有效地降低个别风险。故选B。

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阅读下面一段文字,回答下列小题:
说者又谓远与巡分城而守,城之陷,自远所分始。以此远,此又与儿童之见无异。人之将死,其脏腑必有先受其病者;引绳而之,其绝必有处。观者见其然,从而之,其亦不迭于理矣!小人之好议论,不乐成人之荚,如是哉!如巡、远之所成就,如此卓卓,犹不得免,其他则又何说

这段话采用了什么样的论证方法

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题型:填空题

(41)Orientation
Yellowstone is much more than hot ground and gushing steam. Located astride the Continental Divide, most of the park occupies a high plateau surrounded by mountains and drained by several rivers. Park boundaries enclose craggy peaks, alpine lakes, deep canyons, and vast forests. In 1872, Yellowstone became the world’s first national park, the result of great foresight on the part of many people about our eventual need for the solace and beauty of wild places.
(42) When to Go
More than half of the 3 million annum visitors come in July and August. In September and early October, the weather is good, the visitors few, and the wildlife abundant. In May and June, you can see newborn animals, but the weather may be cold, wet, and even snowy. Between about No-vember 1 and May 1 most park roads are closed to vehicles.
(43) Getting There
(44) How to Visit
The 142-mile (228.5-kilometer) Grand Loop Road forms a figure eight, with connecting spurs to the five entrances. On any visit, start with the geyser basins and Mammoth Hot Springs to see wildlife and thermal features (caution: both can be hazardous if approached too closely). On the second day, travel to the Grand Canyon of the Yellowstone, Hayden Valley, and Yellowstone Lake.
(45) Park Information
Park opens year-round.
[A] Road from North Entrance to Northeast Entrance open all year; most other park roads closed to cars November through April. Call headquarters for latest weather and road conditions.
[B] Facilities for Disabled Visitor centers, Madison and Fishing Bridge Campgrounds, most rest rooms, amphitheaters, numerous ranger-led activities, walks, and exhibits are wheelchair accessible. Free brochure available.
[C] On a longer stay, visit the Northern Range, or consider a boating or fishing trip on Yellowstone Lake; a backcountry excursion on foot or horse; or any of the numerous easy nature trails throughout the park.
[D] In early years, what made Yellowstone stand out was the extravaganza of geysers and hot springs. The wild landscape and the bison, elk, and bears were nice but, after all, America was still a pioneer country filled with scenic beauty and animals.
[E] By Plane
West Yellowstone Airport (WYS) at the West Entrance of Yellowstone. (This airport is open June through September.)
Cody Airport (COD) about 50 miles (81 kilometers) from the park.
[F] During the winter season, mid-December to mid-March, Yellowstone becomes a fantasy of steam and ice; facilities are limited but sufficient. Only the road between the North and Northeast Entrances stays open to cars, but snowmobiling is permitted on unplowed roads. Heated snow coaches offer tours and give cross-country skiers access to the 50 miles (80.5 kilometers ) of groomed trails.

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