单项选择题

How do students find out about water pollution

A．They consult pollution experts.
B．They collect water samples.
C．They conduct species surveys.
D．They read books on pollution.
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单项选择题
According to the author, Green EFL has all of the following advantages EXCEPT that ______.
A．students will be better able to meet challenges in the future
B．students learn the target language with less difficulty
C．students can achieve a better understanding of the environmental problems
D．students will acquire cultural values like "Americanness' and "Englishness"
单项选择题
According to Stauffer, why were GIs much more friendly towards their officers in combat
A．Because they were afraid of being assigned dangerous tasks.
B．Because they could release their pent-up frustration against the enemy.
C．Because they were more like equals and friends in face of enemy.
D．All of the abov
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