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【单选题】
关于水分 活度描述有误的是A.
不同温度下的Aw均能用P/P0来表示
B.
Aw能反应水与各种非水成分缔合的强度
C.
食品的Aw值总在0～1之间
D.
Aw比水分含量更能可靠的预示食品的稳定性、安全性等性质
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皮皮学刷刷变学霸
举一反三
【简答题】简述渗透检测适用范围。
【单选题】Both Tom and his father whistle and his hat is on Tom's head again.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【单选题】It’s Tom’s room, so it belongs to ______. It’s ______ favourite place.
A.
he; his
B.
him; he’s
C.
his; his
D.
him; his
【单选题】—Are Tom's pens _____ desk? —Yes, _____ are. [ ]
A.
on his ; it
B.
on my; we
C.
on his; they
D.
his; it's
【单选题】—Who in Tom's family will come to your birthday party? —Either Tom ______ any of his sisters is coming. [ ]
A.
and
B.
but
C.
or
D.
nor
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