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【单选题】
以下为非必需氨基酸的是？A.
亮氨酸
B.
异亮氨酸
C.
酪氨酸
D.
组氨酸
E.
色氨酸
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【简答题】come to an end
【单选题】The successful acquisition in March made Alinta ______ .
A.
Western Australian's largest corporation of its kind
B.
Australian's largest corporation of its kind
C.
Australian's important corporation of its kind
D.
Asia-Pacific important corporation of its kind
【单选题】What is the attitude of investors toward Softbank's acquisition?
A.
Negative.
B.
Positive.
C.
Neutral.
D.
Not mentioned.
【单选题】Amazon’s acquisition of Whole Foods symbolizes __________.
A.
its official entry into online business
B.
its official entry into brick’s business
C.
its official entry into grocery business
D.
its official entry into mortar business
【简答题】在“2. HAc溶液的pH测定”中,为什么要用“干燥”的容器?
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