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【单选题】
牛乳保存温度通常将乳冷却至 ( )左右。A.
3℃
B.
4℃。
C.
5℃
D.
6℃
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【简答题】设置圈梁和构造柱的作用是什么?各自设置位置及构造做法?
【简答题】阅读理解。 Trees are useful to man in three important ways. The first important way is that they provide (提供) man with wood and other products. Trees provide not only man with food, but also many animals w...
【简答题】Trees are useful to man（人类）in three very important ways. The first important way is that they provide man with food, wood and other products. Trees provide not only man with food, but also many animal...
【简答题】Trees are useful to man in three important ways. The first important way is that they provide(提供) us food, wood and other products(产品). Trees provide food not only for man, but also for many animals. ...
【简答题】Trees are useful to man in three very important ways. The first important way is that they provide man with food, wood and other products. Trees provide man and animals with food to live on the earth....
【单选题】Trees Trees are useful to man in three very important ways: they provide him with wood and other products they give him shade and they help(51)drought and floods. Unfortunately, in many parts of the w...
A.
give
B.
use
C.
prevent
D.
lead
【简答题】阅读理解。 Trees are useful to man in three very important ways. The first important way is that they provide man with food, wood and other products (产品). Trees provide not only man with food, but also man...
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