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【判断题】
在室外架构上工作，则应在工作地点邻近带电部分的横梁上悬挂“在此工作”的标示牌。A.
正确
B.
错误
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举一反三
【单选题】Mum added lots of _______ on the food but it still wasn't _______. [ ]
A.
salt; enough salt
B.
salt; salty enough
C.
salty; enough salt
D.
salty; salt enough
【简答题】阅读理解。 Can we live without salt (没有盐)? No, salt is very important (重要) to us. We need salt in our food. Animals (动物) need it, too. Most (大部分) of the salt in our country comes from the sea (海). People d...
【单选题】“Worth one's salt” means ______.
A.
competent or capable
B.
salt is essential for life
【简答题】physiologically neutral salt
【单选题】When did people begin to realize the value of salt?
A.
When they used salt to melt snow.
B.
When they started to preserve food with salt.
C.
After they found animals licking salt.
D.
After they found salt's magical powers.
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