- 相關(guān)推薦
全國職稱英語衛(wèi)生C類補全短文重點預(yù)測
if they throw stones at you, don’t throw back, use them to build your own foundation instead.以下是小編為大家搜索整理的全國職稱英語衛(wèi)生C類補全短文重點預(yù)測，希望能給大家?guī)韼椭?更多精彩內(nèi)容請及時關(guān)注我們應(yīng)屆畢業(yè)生考試網(wǎng)!
Ants as a Barometer of Ecological Change
At picnics, ants are pests. But they have their uses. In industries, such as mining, farming and forestry, they can help gauge the health of the environment by just crawling around and being antsy.
It has been recognized for decades that ants -- which are highly sensitive to ecological change --can provide a near-perfect barometer of the state of an ecosystem. Only certain species, for instance,will continue to thrive at a forest site that has been cleared of trees.46 And still others willmove in and take up residence.
By looking at which species populate a deforested area, scientists can determine how"stressed" the land is.47 Ants are used simply because they are so common and comprise so many species.
Where mine sites are being restored, for example, some ant species will recolonize the stripped land more quickly than others.48 Australian mining company Capricorn Coal Management has been successfully using ant surveys for years to determine the rate of recovery of land that it is replanting near its German Creek mine in Queensland.
Ant surveys also have been used with mine-site recovery projects in Africa and Brazil, where warm climates encourage dense and diverse ant populations." We found it worked extremely well there." says Jonathan Majer, a professor of environmental biology. Yet the surveys are perfectly suited to climates throughout Asia, he says, because ants are so common throughout the region. As Majer puts it: "That's the great thing about ants."
Ant surveys are so highly-regarded as ecological indicators that governments worldwide accept their results when assessing the environmental impact of mining and tree harvesting.49
Why not? Because many companies can't afford the expense or the laboratory time needed to sift results for a comprehensive survey. The cost stems, also, from the scarcity of ant specialists.50
A. This allowed scientists to gauge the pace and progress of the ecological recovery.
B. Yet in other businesses, such as farming and property development, ant surveys aren't used widely.
C. Employing those people are expensive.
D. They do this by sorting the ants, counting their numbers and comparing the results with those of earlier surveys.
E. The evolution of ant species may have a strong impact on our ecosystem.
F. Others will die out for lack of food.
答案與解析
46.F。空格前講的是只有某些物種將在沒有樹的森林里存活;空格后講仍有其他物種將會遷入并占據(jù)住地�？瞻滋幍那昂笳�?wù)摰亩际俏锓N在沒有樹的森林里生存的情況，且都使用了將來時“will”，所以空格處也應(yīng)談及物種在森林里生存的情況，且時態(tài)也應(yīng)該使用將來時。所有選項中只有F使用的是將來時態(tài)，且語義上也比較接近，故正確答案為F(其他的將會因為缺少食物而死亡)。從語法來看，空格前面的句子有certain species，空格后面的句子有still others，這一定是英語中的“some/certain…others…still others”的固定結(jié)構(gòu)，也不難得出答案為F。
【備考助手】時態(tài)的一致性以及固定搭配等都是很好的判斷依據(jù)。
47.D。空格前講的是科學(xué)家通過觀察哪個物種在沒有樹的森林里生活來決定該區(qū)域所承受的“壓力”，空白處后談?wù)摰氖鞘褂梦浵亙H僅因為它們很常見而且包含了很多物種，由此可知空白處談?wù)摰氖强茖W(xué)家利用螞蟻這個物種進行觀察，所以本題答案為選項D(他們通過將螞蟻分類、計算他們的數(shù)量和與早期研究作比較而做出決定)。其中“doing this”中的“this”是指前面句子中的scientists can determine how“stressed”the land is。
48.A�？崭袂耙痪涮岬剑诘V區(qū)生態(tài)恢復(fù)過程中，一些種類的螞蟻就比其他種類的螞蟻更快遷回到該片原先荒廢的區(qū)域;空格后提到澳大利亞的一家礦業(yè)公司Capricorn Coal Management就成功使用針對螞蟻的調(diào)查而測算出土地復(fù)原的速度，因而空格處談?wù)摰倪�是螞蟻和土地復(fù)原的話題。因而，選項A(這使得科學(xué)家能夠測算出生態(tài)恢復(fù)的速度和進程)與前后銜接緊密，符合題意。其中，選項A中的ecological recovery與前面一句中的recolonize相呼應(yīng)，也提示選項A的句子是前面句子的后續(xù)句。
49.B�？崭袂耙痪湔�?wù)摰氖侨澜绾芏嗾冕槍ξ浵伒恼{(diào)查來評估開礦和種樹對環(huán)境的影響，所以空格處談?wù)摰倪�是針對螞蟻調(diào)查的使用情況，故選B(但是在其他行業(yè)中，諸如農(nóng)耕和房地產(chǎn)開發(fā)中，螞蟻的調(diào)查使用得并不廣泛)，其中空格前一句和選項B中的ant survey是詞語的復(fù)現(xiàn)。
50.C�？崭袂暗木渥犹岬胶芏喙矩摀�(dān)不起這種調(diào)查，成本主要源于研究螞蟻專家的稀缺，所以空格處談?wù)摰倪�是螞蟻專家和調(diào)查成本的事情，所以選項C(雇用那些人的成本是非常昂貴的)為正確答案，其中選項C中的“those”指的是前一句中的specialists。
【全國職稱英語衛(wèi)生C類補全短文重點預(yù)測】相關(guān)文章：
2017年職稱英語衛(wèi)生類C級補全短文精選題10-24
職稱英語綜合C類備考補全短文練習(xí)09-27
2017職稱英語衛(wèi)生類C級補全短文精選練習(xí)題06-22