题目内容

The topic of this passage would be______.

A. why natural selection leads to population increase over generations
B. how natural selection maintains and changes the makeup of a population
C. why natural selection created the large brain size in human beings
D. how natural selection promotes individuals who care for their offspring

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Section A
Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.
All my classmates have passed the physical education exam except ______.

A. John and I
B. John and me
C. I and John
D. me and John