【简答题】某舰艇于2010年12月27日从A地出发,经过10昼夜的航行,到达B地。读图,完成问题。 小题1:随舰艇同行的记者每天拍摄海上日出,照片上显示的时间 A.越来越早 B.先越来越早,然后越来越晚 C.越来越晚 D.先越来越晚,然后越来越早 小题2:当舰艇航行到马六甲海峡时,遇上降雨天气,该天气形成的主要原因是 A.受夏季风影响 B.冷暖气流相遇,形成锋面雨 C.受赤道低气压带影响,盛行上升气流 D....
【简答题】将食品营养强化剂分为五类,分别为氨基酸及含氮化合物、维生素、 、 、 。
【单选题】Glutamine synthetase catalyzes the reaction of glutamate and NH 4 + to yield glutamine. This reaction takes place in two steps, with enzyme-bound γ- glutamyl phosphate as an intermediate. Glutamine sy...
【单选题】A 59-year-old man reported to his physician that in the morning he noticed his urine was cloudy and red. The man had been taking an oral anticoagulant for 3 weeks to treat a deep venous thrombosis. If...
C.
Idiosyncratic reaction
【单选题】The three most important issues (of concern) to citizens today are (prison reform), (abusing children), and toxic (waste).
【简答题】食品营养强化剂分为( )、( )、( )。