【单选题】It can be inferred from teh passage that ____
A.
many people understand that taking multivitamins has little effects on their health
B.
Vitamin C is considered as an effective cure of colds by many people.
C.
it is widely understood that vitamin pills can be harmful
D.
vitamin can be a susstitute for a poor diet
【简答题】奥地利作曲家弗朗茨·舒伯特短暂的一生给后人留下了大量的音乐财富,600多首委婉动听的艺术歌曲,在音乐史上被誉为_______。
【单选题】能同时作用于α受体和β受体的药物是( )。
【判断题】幼儿园教师是从事幼儿教育工作的专业人员,必须依法取得教师资格。
【简答题】《战国策》属于( )史书。西汉刘向整理编订而成。