皮皮学,免费搜题
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搜题
【单选题】
I am new here, so I have ________friends.
A.
a few
B.
a little
C.
few
D.
little
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举一反三
【单选题】酶所以能催化反应是因为
A.
酶是蛋白质
B.
酶有辅助因子
C.
酶能降低反应活化能
D.
酶有活性中心
【简答题】She is new here. She doesn’t know the way to her .
【单选题】She is new here. She doesn't know the way to her
A.
home
B.
dim
C.
dime
D.
dorm
【单选题】酶所以能催化反应,是因为:
A.
酶是蛋白质
B.
酶有辅助因子
C.
酶能降低反应活化能
D.
酶有活性中心
E.
酶有必需基团
【单选题】Although she is new here, she seems to be ______ with everyone who comes to the store.
A.
admired
B.
admitted
C.
accepted
D.
acquainted
【多选题】在国际贸易结算中,商业汇付的种类包括( )。
A.
信汇
B.
电汇
C.
票汇
D.
托收承付
【判断题】酶作为生物催化剂之所以具有极高的催化效能,是因为酶可以提高反应活化能。
A.
正确
B.
错误
【单选题】A.She is afraid.B.She has never taken the bus before.C.She is new here.#
A.
She is afraid.
B.
She has never taken the bus before.
C.
She is new here.
D.
She does not want to tell him.
【单选题】Photoshop 中渐变类型不包括()。
A.
径向渐变
B.
矩形渐变
C.
对称渐变
D.
菱形渐变
【判断题】酶之所以有高的催化效率是因为它可提高反应活化能。
A.
正确
B.
错误
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