1. Ross first wanted to answer the simple question whether plasmodium could be found in a mosquito after it had bitten a malaria-infected person.
    罗斯首先要回答在蚊子叮咬过被疟疾感染过的人后，会不会在蚊子体内发现疟原虫这一简单问题。

2. Recently, one research institute found that nearly 4.4 million students were enrolled in some 50,000 to 60,000 jukus. That represents 18.6 percent of elementary school children and 52.2 percent of students in seventh through ninth grades.
    最近，有一家研究机构发现，大约有440万名学生就读于5至6万所课外学校。他们占了所有小学生的18.6%，七至九年级学生的52.2%。

3. On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.
    当人们急切地看完正文后，便知道这女子是个打字员，办公室打字机的声音使她越来越烦，最终住进了精神病医院。

4. Other animals were trapped in tar pits, like the elephants, sabretoothed cats, and numerous other creatures that are found at Rancho la Brea , which is now just a suburb of Los Angeles.
    有的动物掉进天然沥青坑里被保存了下来，如在兰桥·拉·布里--现在是洛杉矶的郊区发现的大象、剑齿虎和许多其他动物。

5. Often a valley boasted no inn at all, and climbers found shelter wherever they could
    山谷里常常没有小客栈，登山者只好随遇而安。

6. One day a few weeks later I found myself sitting facing Kebba Kanga Fofana, a revered griot with an astonishing memory.
    几周后的一天，我发现自己坐在一位深受尊敬的长老面前，长老名叫凯巴·坎吉·福法纳，他有着惊人的记忆力。

7. One afternoon I was on the 1023rd set of slave-ship records when I found a sheet listing 30 ship movements.
    一天下午，在第1023套运奴船的记录中我找到了一个列着30艘船的活动的单子。

8. One of these, the bark of cinchona tree, was found to be excellent for treating malaria.
    其中，人们发现用金鸡纳树皮来治疗疟疾疗效极好。

9. Once you've found the right taxi, issues of fares, meters and other charges come into play.
    一旦你找好了出租车，启程费、路程费和其他费用问题就随之而来。

10. Later it was found that there was a type of mosquito which acted as the carrier of this disease and passed it on to the rabbits.
    后来又发现，有一种蚊子是传播这种疾病的媒介，能把此病传染给兔子。