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【简答题】
安全生产环境与文明生产应做到哪“四无”？
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Sam often ____ his room on Sundays. Look! He ______it now. [ ]
A.
cleans; cleans
B.
cleans; is cleaning
C.
is cleaning; cleans
D.
is cleaning; is cleaning
【简答题】Mr. Chen lost a lot of money in his business.__________. [A] So did he [B] So he did [C] So was he [D] So he was
【单选题】Tom _ _ his room every day. He it now.
A.
cleans, clean
B.
cleans, cleaning
C.
cleans, is cleaning
D.
clean, is cleaning
【单选题】在物价持续下跌的情况下,下列各种存货计价方法中,能使企业计算出来的当期利润最小的计价方法是( )
A.
先进先出法
B.
加权平均法
C.
移动平均法
D.
以上三种方法均有可能
【多选题】低压电网的配电制及保护方式分为 IT 、 TT 、 TN 三类,以下正确的表述是( )P280
A.
IT 系统是指电源中性点不接地或经足够大阻抗接地，电气设备的外露可导电部分经各自的保护线 PE 分别直接接地的三相三线制低压配电系统
B.
TT 系统是指电源中性点直接接地，而设备的外露可导电部分经各自的 PE 线分别直接接地的三相四线制低压供电系统。
C.
TN 系统电源系统有一点（通常是中性点）接地，而设备的外露可导电部分通过保护线连接到此接地点的低压配电系统。
D.
TN-S 系统整个系统内中性线（零线） N 与保护线 PE 是合用的。
【单选题】_______all his efforts he failed, he was so upset about himself that he felt like crying.
A.
So long as
B.
In terms of
C.
In spite of
D.
regardless of
【单选题】在物价持续下跌的情况下,下列各种存货计价方法中,能使企业计算出来的当期利润最小的计价方法是()
A.
先进先出法
B.
加权平均法
C.
移动加权平均法
D.
以上三种方法均可
【简答题】He returned to his hometwon so that he could indulge his passion for football. A) develop B) enjoy C) break D) limit
【简答题】He returned to his hometwon so that he could indulge his passion for football. A) develop B) enjoy C) break D) limit
【单选题】－David has made up his mind to continue with his studies. －_______ and _______.
A.
So he has; so have I
B.
So has he; so have I
C.
So he has; so I have
D.
So has he; so I have
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