Cow manure is used as a (fertilizer) on the fields.
A. 加速剂
B. 肥料
C. 催化剂
D. 染色剂
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He can (afford) a car now.
A. 开车
B. 买车
C. 养车
D. 飙车
Dogs can be raised as a (protection) against criminals.
A. 陪伴
B. 保护,防护
C. 撕咬
D. 冲撞
Porks cooked not (sufficiently)may spread diseases to us.
A. 成熟的
B. 足够的
C. 稳定的
D. 悠久的
We should support those people who have positive (energy).
A. 价值观
B. 能量
C. 态度
D. 思想
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