6月22日前后为北半球夏至日,此日北半球昼最长。[ ]
√
it looks, we should be.
A. The easy, the careful
B. The easier, the carefuler
C The easiest, the most careful
D. The easier, the more careful
急性发热可见于()。
A.上呼吸道感染
B.乙型脑炎
C.急性支气管炎
D.泌尿系感染
E.伤寒