皮皮学,免费搜题
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搜题
【单选题】
旱生演替系列的先锋群落是
A.
草本群落
B.
苔藓群落
C.
大型真菌群落
D.
地衣群落
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【单选题】中性点直接进行接地的电力网的主要优点是:发生单相接地时,接地电流小,系统()仍保持对称性,不影响对负荷的供电。
A.
接地电压
B.
线电压
C.
相电压
D.
电流
【单选题】--- Joan, what_________in your hand? --- Look! It's a birthday gift for my grandmother.
A.
had you held
B.
are you holding
C.
do you hold
D.
will you hold
【单选题】My grandmother had________ over  50, 000 when she was sixty- five years old.
A.
put away
B.
put back
C.
put out
D.
put down.
【多选题】社会主义和谐社会的基本特征是
A.
民主法治、公平正义
B.
正直诚恳、政治坚定
C.
诚信友爱、充满活力
D.
安定有序、人与自然和谐相处
【简答题】My grandmother had a 1———— for the sun, a holy regard that now is all but gone out of mankind. There was a 2———— in her, and an ancient awe. She was a Christian in her later years, but she had come a ...
【多选题】社会主义和谐社会的基本特征是
A.
民主法治、公平正义
B.
诚信友爱、充满活力、安定有序
C.
惩治腐败
D.
人与自然和谐相处
【单选题】Life was extremely hard in the past. My grandmother had no chance to go to school, even the ______ school.
A.
elemental
B.
elementary
C.
basic
D.
introductory
【单选题】中性点不接地系统的主要优点是
A.
发生单相接地时仍可继续向用户供电
B.
接地电流较大时,不会在接地点产生断续电弧
C.
接地电流较大时,不会使线路发生谐振过电压现象
D.
发生单相过电压时,不会继续向用户供电
【单选题】It’s true that the bad news had a bad ______ on my grandmother.
A.
affect
B.
instance
C.
taste
D.
Effect
【简答题】When my grandmother was raising me in Stamps, Arkansas, she had a particular routine(惯例)when people who were known to be whiners entered her store. My grandmother would ask the customer, “How are you ...
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