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【单选题】
在肉蛋制品菌落总数检验时，待琼脂凝固后，翻转平板，置（）温箱内培养48±2h。A.
24±1℃
B.
36±1℃
C.
48±1℃
D.
38±1℃
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【单选题】New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages -- has changed as much as what they eat. The original chocolate drink was made from th...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】已知 20 °C 时水 - 空气的界面张力为 7.27×10 -2 N/m ,当在 20 °C 和 100 KPa 下可逆地增加水的表面积 4 cm 2 ,则该过程所涉及的 W 为( )。
A.
2.91 × 10 － 5 J
B.
2.91 × 10 － 1 J
C.
-2.91 × 10 － 5 J
D.
-2.91 × 10 － 1 J
【单选题】—What about your new clothes? —They are a little expensive, but the cloth _______ well. [ ]
A.
is washed
B.
washes
C.
is washing
D.
has been washed
【单选题】New Foods and the New World In the last 500 years, nothing about people – not their clothes, ideas, or languages – has changed as much as what they eat. The original chocolate drink was made from the ...
A.
Food
B.
Clothing
C.
Ideology.
D.
Language.
【单选题】已知 20°C 时,水 — 空气的界面张力为 7.28×10 -2 N·M -1 ,当在 20°C 、 p Θ 下可逆地增大水的表面积 4 cm 2 时,需要做功( )
A.
2.91×10 － 5 J
B.
2.91×10 － 1 J
C.
2.91×10 － 3 J
D.
2.91×10 － 7 J
【单选题】New Foods and the New World In the last 500 years, nothing about people---not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the se...
A.
Food
B.
Clothing
C.
Ideology
D.
Language
【单选题】We wear new on the Spring Festival's Eve [ ]
A.
a cloth
B.
cloth
C.
clothing
D.
clothes
【单选题】Be careful! You ______ my new table cloth.
A.
are to spoil
B.
will spoil
C.
are going to spoil
D.
are spoiling
【单选题】Emily,Re our new catalogue, just received, Vanters want to see 'Primavers' cloth. Please send samples urgently. (They've got prices.)Vanters need ______ .
A.
samples of material.
B.
the latest catalogue,
C.
a current price list.
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