明延为了防止内地蒙古族的反抗斗争,不仅将他们分散在各地而且对他们采取()的政策。
参考答案:强迫同化
人类口腔正常菌群中的主要致龋菌不包括()。
A.变形链球菌
B.黏性放线菌
C.内氏放线菌
D.乳杆菌
E.梭形菌
Questions 21~25
The main reason that the British business people are going to America is to ______.
A. encourage American consumers to buy their productsB. analyze how American companies attract media coverageC. look for financial backing from American investors and banksD. investigate how British and American companies could form partnerships