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【多选题】
如果运输包装设计没能有效的保护商品，我们将如何进行改进？A.
增加包装的性能
B.
增加产品的性能
C.
降低运输危险环境水平
D.
改变运输测试方式
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反馈参考答案：
举一反三
【单选题】The boys often used to throw a stone or two at the glasshouse because ______.
A.
they hated Mr. Flowers
B.
they only wanted to play a joke on Mr. Flowers
C.
Mr. Flowers didn't let them watch flowers
D.
they were naughty
【简答题】简述老年人的饮食保健原则。
【单选题】In the phrase " these two big stone bridges", the center is__________.
A.
bridges
B.
these bridges
C.
stone bridges
D.
two stone bridges
【简答题】LIO是指__________。
【简答题】简述我国老年保健的基本原则。
【简答题】简述老年人自我保健的原则？
【单选题】The Great Pyramid is made _____ of two million stones and each stone _____ more than two tons. [ ]
A.
from; weighs
B.
up; has
C.
from; has
D.
up; weighs
【单选题】The building ______ stone and each stone ______ more than two tons (吨). [ ]
A.
is made of; weighed
B.
is made of; weights
C.
is made of; weighs
D.
is made from; weighs
【简答题】简述老年保健的基本原则。
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