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【多选题】
对于胆汁的叙述，正确的是A.
胆汁是由肝细胞分泌的
B.
胆汁中含有胆盐、胆色素和胆固醇
C.
胆汁中不含消化酶
D.
胆盐对脂肪和蛋白质的消化具有重要意义
E.
胆盐与脂肪分解产物一同在小肠上部吸收
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【单选题】If I could put back the clock, I'll give more thought to ______ for a career.
A.
prepare
B.
be prepared
C.
preparing
D.
have prepared
【单选题】If you don't like it, I _____ back your money. [ ]
A.
give
B.
gave
C.
will give
D.
would give
【单选题】Don't forget to _____ after you use her eraser. [ ]
A.
give her back to it
B.
give her back it
C.
give it back to
D.
give it back to her
【单选题】This is David’s postcard, please_____.
A.
give it back to him
B.
give back it him
C.
give him back to it
D.
get him back to it
【单选题】If I could put back the clock， I‘ll give more thought to __________for a career．A.prepare#
A.
If I could put back the clock， I‘ll give more thought to __________for a career． A.prepare
B.
be prepared
C.
preparing
D.
have prepared
【单选题】I don’t know when my son __________back, but when he __________back ,I’ll give you a call
A.
comes, comes
B.
will come, will come
C.
comes ,will come
D.
will come, comes
【简答题】用*等符号输出一种图形。
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