Air pollution causes the most c-amage to_____.
A. hardwoods
B. conifers
C. fruit trees
D. fluorides
查看答案
【B3】
A. illustration
B. show
C. way
D. sign
【B20】
A. access
B. channel
C. way
D. methods
【B12】
A. dispenses
B. passes
C. deals
D. handles
The next part in this passage might be about ______.
A. the positive effects of wearing uniforms
B. more negative effects of wearing uniforms
C. an alternative to wearing uniforms
D. the legal rights of those wishing to wear uniforms
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