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【单选题】
DNA合成需要有一段RNA为引物，合成该引物的酶是：A.
DNA 聚合酶
B.
引发酶
C.
RNA 聚合酶 Ⅰ
D.
RNA 酶
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皮皮学刷刷变学霸
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【简答题】My sister gets up _________(quickly) than me.
【简答题】Li Ming did________ (badly) in the race of his class. 2. This apple is________ (big) than that one. 3. He is____________ (important) man in my life. 4. My sister gets up___________ (quickly) than me.
【简答题】Every morning I get up _______ ( early ) than my brother, but my sister gets up _______ (early ).
【简答题】根据首字母填单词 ( 注意:答案要写出一个完整的单词) My sister gets up e every day.
【单选题】My sister gets up early ____she can catch the early bus.
A.
to catch
B.
so that
C.
in order
D.
because
【单选题】My sister gets up at 6: 00 ______ has breakfast at 7: 00. [ ]
A.
and
B.
but
C.
so
D.
or
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