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【单选题】
一般膳食中脂肪、碳水化合物供能所占的比例( )。A.
15%~25%;60%~70%
B.
20%~30%;50%~65%
C.
15%~25%;45%~55%
D.
20%~25%;55%~65%
E.
25%~45%;50%~65%
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【单选题】There are four ________ students in our school.
A.
hundred
B.
hundreds
C.
hundreds of
D.
hundred of
【简答题】is only to kill pathogenic bacteria and destruct all nutrient cells or some spores in physic and chemical ways.
【单选题】On National day__ people take part in all kinds of celebration. A. hundreds of millions of B. millions of hundred of C. hundreds millions of D. millions hundreds of
A.
hundreds of millions of
B.
millions of hundred of
C.
hundreds millions of
D.
millions hundreds of
【单选题】There are four ________ students in our school.
A.
hundred
B.
hundreds
C.
hundreds of
【单选题】________people listened to the concert.
A.
Hundred of
B.
Hundreds of
C.
Hundred
D.
Hundreds
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