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【判断题】
混凝土强度等级用立方体抗压强标准值来划分。A.
正确
B.
错误
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举一反三
【单选题】58% of the students _____ not satisfied with the food in the school. And many students say the situation of wasting is serious. Some girls just eat a little and the rest ______ discarded by them.
A.
are; is
B.
is; are
C.
are; are
D.
is; is
【简答题】阅读理解。 A large number of people in the world eat fastfood. Whenever you go into a fast food restaurant,you can see lots of people enjoying their meals there.But do you know in which country people like...
【简答题】酶的活性中心多为一凹穴,穴内的介电常数往往偏______,其作用是______。这种结构特征是由蛋白质分子在______级结构层次上形成的,主要由______和______两种作用力来维持。
【简答题】6 Listen to the rest part of the survey and answer the following question. What is the respondent’s opinion about fast food in terms of convenience, nutrition, speed, cost and impact on the environmen...
【简答题】The rest of the food ___ in the refrigerator. A is to keep B are to keep C are to be kept D is to be kept
【简答题】外科感染按致病菌种类不同可分为 、 。
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【简答题】酶的活性中心多为一凹穴,穴内的介电常数往往偏______,其作用是______。这种结构特征是由蛋白质分子在______级结构层次上形成的,主要由______和______两种作用力来维持。
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