練習(xí):
1. Breastfeeding helps women prevent the development of breast cancer to a certain degree.
A Right B Wrong C Not mentioned
2. Estrogen may contribute to the development of breast cancer as much as hormone
replacement therapy.
A Right B Wrong C Not mentioned
3. The amount of red meat a woman eats is directly proportional to the probability of breast cancer.
A Right B Wrong C Not mentioned
4. The way red meat is prepared has much to do with the probability of breast cancer.
A Right B Wrong C Not mentioned
5. Any kind of iron in the food is a contributor to the development of breast cancer.
A Right B Wrong C Not mentioned
6. Resveratrol is the fourth factor recently found that causes a breast cancer to develop.
A Right B Wrong C Not mentioned
7. Any kind of wine contains resveratrol.
A Right B Wrong C Not mentioned
答案與題解：
1．A 第二段第一句明確說(shuō)到喂奶可以減少婦女患乳腺癌的危險(xiǎn)性。
2．B 第二段說(shuō)激素補(bǔ)充療法會(huì)增加患乳腺癌的危險(xiǎn)性，而第三段說(shuō)到雌激素時(shí)只說(shuō)到它是供給身體發(fā)育的，并未提到它會(huì)觸發(fā)乳腺癌，兩者是不能相提并論的。
3．A 第四段尤其是最后一句已是結(jié)論性的話，紅肉吃的多，患乳腺癌的可能性就大，反之就小，故成正比。
4．A 倒數(shù)第三段列出了研究人員過(guò)去認(rèn)為可能吃紅肉致乳腺癌的三個(gè)原因，其中第一個(gè)就是紅肉的烹調(diào)方法。
5．B 同樣倒數(shù)第三段中列出的第三個(gè)因素就是紅肉中所含的鐵的種類，言下之意是有些類型的鐵致癌，有的就不致癌，因此說(shuō)所有食物中的鐵都致癌顯然是錯(cuò)的。
6．B 倒數(shù)第二段說(shuō)到，食用大量白藜蘆醇這種植物的混合物老鼠就會(huì)長(zhǎng)壽，最后一段又說(shuō)到白藜蘆醇能提高肌肉的功能。這些都是正面的、積極的作用，并沒(méi)有說(shuō)它能致癌。
7．C 倒數(shù)第二段只說(shuō)紅酒中含有白藜蘆醇，并沒(méi)有說(shuō)其他酒類有還是沒(méi)有
1. Breastfeeding helps women prevent the development of breast cancer to a certain degree.
A Right B Wrong C Not mentioned
2. Estrogen may contribute to the development of breast cancer as much as hormone
replacement therapy.
A Right B Wrong C Not mentioned
3. The amount of red meat a woman eats is directly proportional to the probability of breast cancer.
A Right B Wrong C Not mentioned
4. The way red meat is prepared has much to do with the probability of breast cancer.
A Right B Wrong C Not mentioned
5. Any kind of iron in the food is a contributor to the development of breast cancer.
A Right B Wrong C Not mentioned
6. Resveratrol is the fourth factor recently found that causes a breast cancer to develop.
A Right B Wrong C Not mentioned
7. Any kind of wine contains resveratrol.
A Right B Wrong C Not mentioned
答案與題解：
1．A 第二段第一句明確說(shuō)到喂奶可以減少婦女患乳腺癌的危險(xiǎn)性。
2．B 第二段說(shuō)激素補(bǔ)充療法會(huì)增加患乳腺癌的危險(xiǎn)性，而第三段說(shuō)到雌激素時(shí)只說(shuō)到它是供給身體發(fā)育的，并未提到它會(huì)觸發(fā)乳腺癌，兩者是不能相提并論的。
3．A 第四段尤其是最后一句已是結(jié)論性的話，紅肉吃的多，患乳腺癌的可能性就大，反之就小，故成正比。
4．A 倒數(shù)第三段列出了研究人員過(guò)去認(rèn)為可能吃紅肉致乳腺癌的三個(gè)原因，其中第一個(gè)就是紅肉的烹調(diào)方法。
5．B 同樣倒數(shù)第三段中列出的第三個(gè)因素就是紅肉中所含的鐵的種類，言下之意是有些類型的鐵致癌，有的就不致癌，因此說(shuō)所有食物中的鐵都致癌顯然是錯(cuò)的。
6．B 倒數(shù)第二段說(shuō)到，食用大量白藜蘆醇這種植物的混合物老鼠就會(huì)長(zhǎng)壽，最后一段又說(shuō)到白藜蘆醇能提高肌肉的功能。這些都是正面的、積極的作用，并沒(méi)有說(shuō)它能致癌。
7．C 倒數(shù)第二段只說(shuō)紅酒中含有白藜蘆醇，并沒(méi)有說(shuō)其他酒類有還是沒(méi)有