4. Her father trekked _________ high mountains to collect valuable medicinal herbs.
A.through
B.across
C.in
D.on
第1题:
From the text, we learn that Baccarat and Sorrenbourg are the names of _____.
A. towns B. churches C. museums D. mountains
第2题:
People begin to understand the natural resources are not () , which can be used up without caution.
A、numerous
B、numerable
C、inexhaustible
D、valuable
第3题:
第4题:
From the text, we learn that Baccarat and Sorrenbourg are the names of_______
A.towns
B.churches
C.museums
D.mountains
第5题:
Scientists doubt whether it's______to regulate one's biological clock by drinking.
A.feasible
B.incredible
C.fashionable
D.valuable
第6题: