题目内容:
Bysaying“meyhadstruckscientificgold”(Lines1-2,Paragraph4),theauthormeansthat
A.theirdiscoveryearnedthemgreatfame. B.theirfindingsenjoyedenormousmarketvalue.
C.theyacquiredvaluableresourcesfortheirstudies.
D.theyhadmadeasignificantdiscoveryintheirresearch.
参考答案:
答案解析: