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刷刷题刷刷变学霸
举一反三
【单选题】The use of online learning at the high level is increasing significantly. Science courses being taught using 0nly text-based web pages are not achieving the desired learning result. A way to improve t...
A.
One of the groups
B.
C.
Both of the groups
D.
B. All of the groups
E.
F.
D. Neither of the groups