单项选择题

使用农药要准确掌握用药量、用药的浓度和次数，不宜随意加大或减少。( )
A、正确
B、错误

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Cubbie was excited to have the job because he could use the money to buy something to eat and join his friends on camping.
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答案：正确

单项选择题

“寿司”原本是什么意思。( )
A、生鱼
B、鲜鱼
C、腐烂变坏的鱼
D、咸鱼