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【单选题】
灭活 朊粒的方法是A.
煮沸100℃ 5分钟
B.
高压蒸汽灭菌121.3℃,20分钟
C.
高压蒸汽灭菌134℃,超过2小时
D.
2.5%NaClO溶液浸泡1小时
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举一反三
【简答题】Replace the underlined words in the first group with the words from the second group.
【简答题】Matching the first group of words with the explanation of these words in the second group.
【简答题】Please match the words in the first group with those in the second group to form new words
【单选题】The world's elderly population will exceed that of children by 2060, when each group ________ to account for about one fifth of the population. [ ]
A.
expects
B.
will expect
C.
is expected
D.
will be expected
【单选题】( ) are a group of words and expressions that refer to the personal, temporal or spatial characteristics of the context within which a text is produced.
A.
Nouns
B.
Adjectives
C.
Verbs
D.
Deictics
【简答题】Match words in group 1 with other words in group 2.
【简答题】Match the words in group 1 with some other words in group 2.
【单选题】Tomorrow the mayor is to a group of Canadian businessmen on a tour of the city. [ ]
A.
cooperate
B.
accompany
C.
coordinate
D.
associate
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