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【单选题】
下列关于冷凝管的说法,正确的是( )。A.
沸点在140℃以上的,应用直形冷凝管
B.
蒸气温度在140℃以下的,应用空气冷凝管
C.
球形冷凝管用于回流
D.
用水冷凝管时,从上口通入冷水,下口流出
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【单选题】What is linguistic competence concerned with?
A.
Appropriate use of the language in social context
B.
Ability to create coherent written text or conversation and the ability to understand them
C.
Strategies one employs when there is communication breakdown due to lack o f resource
D.
Knowledge of language itself, its form and meaning
【单选题】What is linguistic competence concerned with?
A.
Ability to create coherent written text or conversation and the ability to understand them
B.
Strategies one employs when there is communication breakdown due to lack of resources
C.
Knowledge of language itself, its form and meaning
D.
Appropriate use of the language in social context
【简答题】库伦静摩擦定律中的 是一个无量纲的比例常数。
【单选题】What is linguistic competence concerned with?
A.
Appropriate use of the language in social context
B.
Ability to create coherent written text or conversation and the ability to understand them
C.
Strategies one employs when there is communicative breakdown due to lack of resources
D.
Knowledge of language itself, its form and meaning
【简答题】应付与付款流程以______文件为基础数据，通过应付款管理，出纳付款，将______送给供应商，完成整个采购和付款流程。
【简答题】根据汉语提示完成句子. 1. 我的婶婶上周末为我做了一个蛋糕. My aunt _____ a cake _____ me last weekend. 2. 约翰上周去图书馆,读了一本关于历史的书. John went to the ____ and read a book about _____ last week. 3. 你认为每个人周末都过得快乐吗? Do you think everyon...
【简答题】根据要求完成句子。 1. Did you play football with Zhang Peng ?（作否定回答） 2. 我上周末看大象了。（译为英语） 3. I saw a camera .（就划线部分提问） 4. I went there by train .（就划线部分提问）
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