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2015年職稱英語考試衛生類模擬套題一:完形填空

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第六部分:完形填空 (第51~65題,每題1分,共15分)

閱讀下面的短文,文中有15處空白,每處空白給出了4個選項,請根據短文的內容從4個選項中選擇1個

Avalanche and Its Safety

An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainside. Avalanches are (51)the biggest dangers in the mountains for both life and property.

All avalanches are caused by an over-burden of material, typically snowpack, that is too massive and unstable for the slope (52)supports it. Determining the critical load, the amount of over-burden which is (53) to cause an avalanche, (54) a complex task involving the evaluation of a number of factors.

Terrain slopes flatter than 25 degrees or steeper than 60 degrees typically have a low

(55) of avalanche. Snow does not (56)significantly on steep slopes; also, snow does not (57)easily on flat slopes. Human-triggered avalanches have the greatest incidence when the snow's angle of rest is (58)35 and 45 degrees; the critical angle, the angle at which the human incidence of avalanches is greatest, is 38 degrees. The rule of thumb is: A slope that is (59)enough to hold snow but steep enough to ski has the potential to generate an avalanche, regardless of the angle. Additionally, avalanche risk increases with (60)that is, the more a slope is disturbed by skiers, the more likely it is that an avalanche will occur.

Due to the complexity of the subject, winter travelling in the backcountry is never 100% safe. Good avalanche safety is a continuous (61), including route selection and examination of the snowpack, weather (62), and human factors. Several well-known good habits can also

(63)the risk. If local authorities issue avalanche risk reports, they should be considered and all warnings should be paid (64) to. Never follow in the tracks of others without your own evaluations; snow conditions are almost certain to have changed since they were made. Observe the terrain and note obvious avalanche paths where plants are (65) or damaged. Avoid traveling below others who might trigger an avalanche.

51 A among B of C to D in

52 A when B that C who D whose

53 A mostly B likely C clearly D surely

54 A are B will be C is D was

55 A weight B form C risk D work

56 A fall B flow C roll D gather

57 A fall B flow C roll D gather

58 A among B between C with D for

59 A thick B thin C flat D rocky

60 A use B time C snow D rain

61 A journey B trip C fact D process

62 A conditions B reports C forecast D event

63 A increase B reduce C improve D remove

64 A price B effort C attention D money

65 A missing B grown C big D fresh

參考答案:

51 A 表達“雪崩是山上可能發生的最大危險之一”的意思,因此應該選擇among(在……之中)。

52 B 從該句的語法結構上來看,此處需要一個關系代詞,代替slope,所以that是最佳選擇。選項A、C、D均不符合語法。

53 B 選項A不符合語法,C和D符合語法,但不符合常識:過度的雪的積壓可能導致雪崩,而不是必定導致雪崩。所以,B是最佳答案。

54 C 該句的主語是Determining the critical load,從上下文來看應該使用一般現在時,所以C是正確答案。

55 C 要確定本題答案的一個有效的方法是排除法。a low weight/form work of avalanche都不合邏輯,只有a low risk of avalanche符合上下文的意思。下面的句子解釋了low risk of avalanche的道理,更證實了選risk是正確的。

56 D 第6題和第7題可以一起考慮。整個句子的意思是:在較陡峭的坡面上,雪不會大量堆積。在較為平坦的坡面,雪不會輕易滑動。

57 B 見注釋56。

58 B 理解了句子的意思就不難判斷選項:雪在靜止狀態下,角度在35度—45度之間,最可能發生人為觸發的雪崩。between:在……之間。

59 C 這個句子說明的是什么樣的山坡最易發生雪崩,即A slope that is flat enough to hold snow but steep enough to ski。 flat在此作“平坦”解,與后面的steep形成反義。

60 A 句中的that is表明,后半部分是對前半部分的進一步說明。所以,這里的選擇要根據下文的意思判斷。use是最佳選擇,整個句子的意思是:山坡被滑雪者使用得越多,雪崩就越有可能發生。

61 D 盡管選項A、B和D都能和continuous搭配,從全段的內容判斷,只有process是最佳選擇,因為該段描寫的是如何防備雪崩以及如何做好安全措施等一系列問題。

62 A 選項A、B、C都可以與weather搭配,但是根據上下文,只有A最為符合文章的內容。

63 B 選項A不符合句子的意思;C不能和risk搭配;D也不符合句子的意思,因為不可能完全消除雪崩的隱患。

64 C 該句主句使用的是被動語態,第二個動詞是pay attention to的被動形式。選項A、B、D 均不符合句子的意思。

65 A 該句是作者給出的一系列忠告之一,即認真觀察地形,注意明顯的雪崩路徑:沒有植物或植物被毀壞的地方。選項B、C、D均不符合句意。

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