膳食中膳食纤维含量愈高,结肠炎、结肠癌发病率愈高。
参考答案:错
—Mary,new copies of Harry Potter are on sale now.
—Great! Let’s go and buy this afternoon.
A.it
B.that
C.any
D.one
疫苗接种当天尽量多饮水,()内避免剧烈运动。
A、1-2天
B、2-3天
C、3-4天
D、5天