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【简答题】
简述催化剂的基本特征。
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举一反三
【单选题】一Mr. Johnson, we have found your watch. 一My watch! Thank you. Where _______ it? [ ]
A.
do you find
B.
have you found
C.
did you find
D.
were you finding
【简答题】2 找出 和所给例子划线读音相同的词 1.look ed A. d id B. mapp ed C.dar ed D.tri ed 2. tri ed A. listen ed B. walk ed C. help ed D. regard ed 3.regard ed A. lik ed B. use d C. visit ed D. fel t 4. excit ed A. tir ed B....
【单选题】—Where __________ you find your ticket? —I __________it on the ground.
A.
did, found
B.
do, found
C.
were, find
D.
will, find
【单选题】Where to find the teacher and where to do the experiment______.
A.
are not known
B.
is not known
C.
has not known
D.
have not known
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