这个展览会值得去看。 It is worthwhile going to see the exhibition. ()
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犬瘟热的潜伏期一般为()。
A. 3~6d
B. 1~3d
C. 6~9d
D. 9~12d
.protective means protects or is intended to protect. ()
Mood is a syntactic constituent made up of the Subject and the Predicate. ()
Register depends on the relations between the participants. ()