细菌的基本细胞结构包括细胞壁、细胞膜、细胞质和( )。
A.芽孢 B.荚膜 C.拟核 D.鞭毛
参考答案:C
解析: A、B、D选项是指细菌细胞的特殊结构。
内容叙述是否正确,请指出并说明理由。
1943年2月,反法西斯联盟的建立成为第二次世界大战的重要转折点。
答案:
Each of the following is a valid conclusion that can be drawn from the information in the graph EXCEPT
A.the total revenue from tuition and government funding in 2000 was $120 million
B.between 1980 and 1990, the proportion of total revenue from overnment funding increased
C.revenue from government funding increased every year from 1950 to 2000
D.revenue from tuition increased every year from 1960 to 1990
E.revenue from tuition increased at a greater rate than revenue from government funding