问题 选择题

下列对于五大地形之一的平原,描述正确的一项是

A.海拔较低,地面平坦

B.海拔较高,地面平坦,边缘较陡

C.四周高,中间低,周围山岭环绕

D.海拔高,峰峦起伏,坡陡谷深

答案

答案:A

题目分析:平原的地形特点是海拔较低且地面平坦。所以本题选择A选项。

点评:人们通常把陆地地形分为平原、高原、山地、丘陵和盆地五种基本类型。丘陵海拔较低,地面有起伏,坡度和缓,相对高度一般不超过200米。平原海拔较低,一般在200米以下,地面平坦辽阔。山地海拔较高,一般在500米以上,坡度陡峻,沟谷较深。高原海拔较高,一般在500米以上,地面坦荡,边缘比较陡峻。盆地四周高中间低。

阅读理解

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Shoppers who carefully plan their visit to the grocery store can save money on their grocery bills.   __小题1:__

Shoppers should visit the grocery store on a full stomach by scheduling their trip immediately after a large meal. If that's not possible, they should find something healthy to eat while preparing a grocery list. __小题2:__

Although having a list and sticking to it is the most important factor in saving money, shoppers must prepare lists wisely in order to save. __小题3:__. Many special buys are announced through the local newspapers, so buying the “grocery issue”is worth the investment (投资). However, it's important to remember that many newer, more expensive products first offered through coupons may not yield enough savings for shoppers to give up the product they usually buy.

__小题4:__ Once at the store, the shopper who wants to save money should follow a few more rules. The shopper should not stay longer than necessary,because bills go up each minute the shopper is in the store. So, setting a time limit and a cost limit can hold down the bill. __小题5:__ If the grocery list is a short one,some shoppers choose to use the small hand­held basket instead of the roomy grocery cart.

A.A carefully planned list should include in season produce and any items on sale or discounted through coupons (优惠券).

B.Of course, the shopper should stick strictly to the shopping list and resist the temptation to buy additional items.

C.People who are full are less tired and more likely to buy what they want.

D.Now that the shopper has completed the grocery list, it's time to leave for the store.E. You should keep your shopping list carefully in case you can exchange it for coupons.

F. Most shoppers are less persuaded to buy extra goods when they are not hungry.

G. Shopping when not hungry, sticking to a grocery list,and following a few simple rules will cut down the grocery bill.

问答题 简答题