正确答案:

题目：按生物类群划分，生态学可分为个体生态学、植物生态学、动物生态学和微生物生态学。（ ）

解析：×

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学习资料的答案和解析：

[单选题]党的领导的实质是（　　）

领导人民当家作主

[单选题]下列各句翻译的不正确的一项是 （ ）

崇为之请日

[单选题]It can be inferred from the professor's study of lateness in the informal situation that______.

being late in one culture may not be considered so in another culture

解析：

53．答案为C  从第二段教授对约会的调查中可知，美国学生和巴西学生对约会迟到的定义是不同的。所以选C。

[单选题]Passage OneThe exact year of Christ's birth is not recorded, but the calendar began on the supposed date divides time into B.C. (before Christ) and

on the chosen date

解析：答案为D。根据题干在第一段第一句，The exact year of Christ's birth is not recorded， but the calendar began on the supposed date divides time into B.C. (before Christ) and A.D. (in the year of our Lord)作出该项选择。