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【单选题】
所谓酸性氨基酸指的是:A.
一氨基一羧基氨基酸
B.
一氨基二羧基氨基酸
C.
二氨基一羧基氨基酸
D.
pI = 7.00 的氨基酸
E.
pI < 7.00 的氨基酸
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举一反三
【单选题】I. Choose the one which is equal to the word given blow: inaugural
A.
holy and sacred place in a church
B.
formal speech made by a person on taking office
C.
shelter from trouble, danger
D.
talk for the purpose of teaching
【单选题】I. Choose the one which is equal to the word given blow: sociable
A.
lovable
B.
humorous
C.
gregarious
D.
communicational
【简答题】二()得六 ()六十二 三()十二 ()五一十 ()五十五
【单选题】I. Choose the one which is equal to the word given blow: generosity
A.
liability
B.
liberality
C.
exorability
D.
probability
【简答题】I. Choose the right answer.
【简答题】I. Listen to the passage and choose the best answers.
【简答题】Choose the best response from Column II to match Column I.
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