1.本课课程的核心句是Is the red apple sweeter than the green one? No, it isn't.The red apple is as sweet as the green one. Is the policeman taller than the policewoman? No, he isn't. The policeman is as tall as the policewoman. Is the man shorter than the woman? No, he isn't. The man is as short as the woman.
2.本课课程的核心句是Is the boy older than the girl? No, he isn't. The boy is as old as the girl. Is the red pencil blunter than the green one? No, it isn't. The red pencil is as blunt as the green one. Is the white knife sharper than the black one? No, it isn't. The white knife is as sharp as the black one.
3.本课课程的核心句是Is the car below cleaner than the one on the top? No, it isn't. The car below is not as clean as the one on the top. Is the girl fatter than the boy? No, she isn't. She is not as fat as the man.Is the woman on the left smarter than the woman on the right?No, she isn't.The woman on the left is not as smart as the woman on the right.