病毒的主要组成为()和()。具有(),(),(),()等特点。
参考答案:核酸和蛋白质,形体极其微小,结构简单,高度寄生性,特殊的抵抗力
—What time will Mr Brown be back to China?
—Sorry. I don’t know ______.
A.when did he go abroad
B.why he is going abroad
C.how soon will he be back
D.how long he is going to be there
心悸怔忡,心胸憋闷疼痛,体胖多痰,身重困倦,舌苔白腻,脉滑,属()
A.寒凝心脉
B.瘀阻心脉
C.气滞心脉
D.痰阻心脉
E.心气虚