紫菜与海带类似，是一种富含生物碘的海洋植物。 商品紫菜轻薄松脆、比海带更易被焙烧成灰实验室里从紫菜中提取碘的流程如下图： （1）实验室焙
Almost everyone likes to eat apples. Apples grow in nearly every part of the world; The United States produces more apples than any other country except France. The states of Washington and New York
News Review APEC Blue People in Beijing got the saying after the APEC meeting in Beijing. It refers to(指) the clear blue sky during the meeting. To get such a blue sky, many facto
阅读下列材料： 我们的制度之所以被称为民主政治，因为政权是在全体公民的手中，而不是在少数人手中。解决私人争执的时候，每个人在法律上是平
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There is not much time left, but we must get there in time. A. somehow B. anyway C. however
27. In the west-central region lived the Welsh, who spoke a Celtic language, and in the north lived the Scots, whose language, ______ not the same as Welsh, was also Celtic. A. though
