单项选择题

The meat packing industry is focused on producing meat for human consumption, but it also yields a ______ of by-products such as hides and feathers.

(A) varies
(B) various
(C) vary
(D) variety
<上一题 目录 下一题>
热门 试题

单项选择题
Covering more than 9 million square kilometers in northern Africa, the Sahara Desert ______ from the Atlantic Ocean to the Red Sea.
(A) contains
(B) differs
(C) extends
(D) rises
单项选择题
Although his wallet was at the restaurant during the entire drive home, it was not until he arrived at the house ______ he remembered leaving it there.
(A) did
(B) that
(C) when
(D) where
相关试题