问题 选择题

读我国某地形区的经纬度范围示意图,回答1一3题。

图4一6

小题1:图示地形区最具特色的农产品有

A.甜菜和油菜

B.冬小麦和高粱

C.大豆和甜菜

D.棉花和春小麦小题2:关于图示地区农业生产的叙述,正确的是

A.生长期长是作物产量高的主要原因

B.热量是农业生产发展的限制因素

C.平原面积广大,机械化水平高但商品率低

D.次生盐渍化导致土壤肥力下降小题3:图示地形区在土地资源的开发中,应该加强

A.红壤的改良

B.黑土的利用和保护

C.沼泽的开垦

D.土地荒漠化的治理

答案

小题1:C

小题2:B

小题3:B

小题1:根据经纬度空间定位可知该地形区为东北平原,中温带地区种植喜凉作物,如大豆、甜菜、春小麦等。

小题2:由于纬度较高,生长期短,热量不足是发展农业的限制因素。

小题3:由于不合理开发,黑土水土流失严重,肥力下降,所以要加强黑土的利用与保护。

单项选择题
单项选择题

Millions of Americans and foreigners see GI.Joe as a mindless war toy, the symbol of American military adventurism, but that’ s not how it used to be. To the men and women who (1) in World War I1 and the people they liberated, the GI. was the (2) man grown into hero, the pool farm kid torn away from his home, the guy who (3) all the burdens of battle, who slept in cold foxholes, who went without the (4) of 1hod and shelter, who stuck it out and drove back the Nazi reign of murder. This was not a vohmteer soldier, not someone well paid, (5) an average guy, up (6) the best trained, best equipped, fiercest, most brutal enemies seen in centuries.

His name is not much. GI. is just a military abbreviation (7) Govermnent Issue, and it was on all of the article (8) to soldiers. And Joe A common name for a guy who never (9) it to the top. Joe Blow, Joe Magrae... a working class name.The United States has (10) had a president or vieepresident or secretary of state Joe.

GI. Joe had a (11) career fighting Geman, Japanese, and Korean troops. He appears as a character, or a (12) of American personalities, in the 1945 movie The Story of GL Joe, based on the last days of war correspondent Ernie Pyle. Some of the soldiers Pyle (13) portrayde themselves in the fihn. Pyle was famous for covering the (14) side of the warl, writing about the dirt-snow-and-mud soldiers, not how many miles were (15) or what towns were captured or liberated. His reports (16) the "willie" cartoons of famed Stars and Stripes artist Bill Maulden. Both men (17) the dirt and exhaustion of war, the (18) of civilization that the soldiers shared with each other and the civilians: coffee, tobacco, whiskey, shelter, sleep. (19) Egypt, France, and a dozen more countries, G. I. Joe was any American soldier, (20) the most important person in their lives.

16()

A.paralleled

B.counteracted

C.duplicated

D.contradicted