Which of the following does the story lead you to believe？
A. Insect sprays turn birds purple
B. Insect sprays can be harmful to birds.
C. Insect sprays help butterflies.
D. Insect sprays help birds have baby birds.
查看答案
【B19】
A. needs
B. continues
C. likes
D. thinks
落叶阔叶林没有明显的季相交替。（）
A. 正确
B. 错误
【B16】
A. turned
B. got
C. sent
D. became
Michael would most enjoy ______, where he can go in winter.
A. spending two weeks in the splendid hotel on the Caribbean island
B. visiting five Italian cities starting from London
C. seeing the splendid arts and culture of a historic city
D. driving cars and bicycles along the seaside
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