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【多选题】
半合成青霉素的特点A.
保留青霉素G的主要结构(主核)
B.
人工改造侧链
C.
抗菌谱比青霉素广
D.
与青霉素间有交叉过敏反应
E.
与青霉素间无交叉抗药性
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举一反三
【单选题】How does paragraph 7 relate to the earlier discussion of infantile amnesia?
A.
It introduces a new theory about the causes of infantile amnesia.
B.
It argues that particular theories discussed earlier in the passage require further research.
C.
It explains how particular theories discussed earlier in the passage may work in combination.
D.
It evaluates which of the theories discussed earlier is most likely to be true.
【简答题】how they relate to others
【单选题】How does the speaker relate to her audience?
A.
By means of contrast between our life with bees and without bees.
B.
By going straight to the point by introducing hand pollination.
C.
By showing us the tomato flowers.
D.
By showing how bumble bees vibrate the plants.
【简答题】Cross-cultural communication begins when people understand how ______ relate to each other within our society.
【单选题】How does the author relate to sounds at night? 查看材料
A.
He imagines sounds that do not exist，
B.
He overstates quiet sounds.
C.
He thinks taps should be turned off.
D.
He believes it's rather quiet at night.
【简答题】How does Halliday relate the functions performed by language to its structures?
【简答题】Moby-Dick features several seemingly insane characters. How does insanity relate to this story? How do these characters contrast with one another?
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