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【简答题】
He was hurt by a flower vase______(drop)from the balcony(阳台).
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举一反三
【单选题】酶的活性中心与酶的催化活性有关系,下列选项说法正确的是
A.
所有的酶都有活性中心
B.
所有的酶的活性中心都含有辅助因子。
C.
酶的必需基团都位于酶的活性中心内
D.
所有抑制剂都是作用于酶的活性中心
【单选题】关于酶的辅基下列说法正确的是
A.
也称辅酶
B.
通过非共价键与酶蛋白结合
C.
由活性中心的氨基酸残基组成
D.
与酶活性有关,但在反应中不被修饰或发生改变
E.
一般对热不稳定,不能用透析方法与酶蛋白分开
【单选题】下列有关辅脂酶和胰脂酶说法正确的是( )
A.
辅脂酶本身具有脂肪酶的活性
B.
胰脂酶不被胆汁酸盐抑制
C.
肠道中TG水解产物全部通过淋巴系统进入血液
D.
辅脂酶是胰脂酶对脂肪消化不可缺少的蛋白质因子
E.
辅脂酶与胰脂酶结合是通过共价键进行的
【单选题】What might be the greatest reason for Jane's refuse of marrying Rochester?
A.
She had lost interest in Rochester.
B.
She wanted to be indepedent.
C.
She didn't want to be the mistress of Rochester.
D.
She had fallen in love with John Rivers.
【多选题】关于辅酶、辅基以下说法正确的是：（）
A.
辅基与酶蛋白通过共价键相结合不易用透析等方法除去
B.
辅酶与酶蛋白结合较松，可用透析等方法除去而使酶丧失活性
C.
辅酶、辅基和酶蛋白单独存在时均无活性，只有二者结合成全酶才有活性
D.
辅酶或辅基起着传递电子、原子和某些功能基团的作用
【单选题】I was (on the verge) of (incurring) Mr. Rochester's wrath by not listening to his prohibitions, (while) a my once more shone almost (imperceptibly) on the hallway wall and I heard his muffled step on ...
A.
on the verge
B.
incurring
C.
while
D.
imperceptibly
【单选题】I was (on the verge) of (incurring) Mr. Rochester's wrath by not listening to his prohibitions, (while) a ray once more shone almost (imperceptibly) on the hallway wall and I heard his muffled step on...
A.
on the verge
B.
incurring
C.
while
D.
imperceptibly
【单选题】Rochester's legend gave others a surprising turn when______.
A.
he was dying
B.
he got syphilis
C.
he appeared in an anti-rational state
D.
he changed his life-style
【简答题】In developing personal relationships, secrets and deceptions, in the author’s opinion, are ________. A) personal matters that should be seriously dealt with B) barriers that should be done away with C...
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