[語文] GWD30-Q38 [CR]
小弟不才，要問問版上大大
The ancient Nubians inhabited an area in which typhus occurred, yet
surprisingly few of their skeletons show the usual evidence of this disease.
The skeletons do show deposits of tetracycline, an antibiotic produced by a
bacterium common in Nubian soil. This bacterium can flourish on the dried
grain used for making two staples of the Nubian diet, beer and bread.
Thus, tetracycline in their food probably explains the low incidence of
typhus among ancient Nubians.
Which of the following is an assumption on which the argument relies
A. The tetracycline deposits did not form after the bodies were buried. 陆
B. The diseases other than typhus to which the ancient Nubians were exposed
would not be affected by tetracycline. 场
C. Typhus is generally fata.
D. Nubian grain became contaminated with tetracycline-producing bacteria
prior to being harvested.
E. Bread and beer were the only foods eaten by the ancient Nubians which
could have contained tetracycline.
答案是A，我可以理解，我也能刪掉C.D.E三項
但是B(我選B)還是不懂
我的想法是：除了Typhus以外的疾病都不會受到tetracycline
所以Typhus會受到tetracycline影響
感謝～在半個月就要考試了，哎～被GWD搞的真沒信心...
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