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【多选题】
管路布置图中,管路转折时,正确的说法是( )。A.
转折方向与投射方向一致时,管线画入小圆至圆心处
B.
转折方向与投射方向一致时,管线画入小圆,并在小圆内画一圆点
C.
转折方向与投射方向相反时,管线不画入小圆内,而在小圆内画一圆点
D.
转折方向与投射方向相反时,管线画入小圆,并在小圆内画一圆点
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举一反三
【判断题】A self-executing treaty is one that contains a provision that says the treaty will apply in the parties’ municipal courts once the parties have adopted domestic enabling legislation.
A.
正确
B.
错误
【单选题】What will the man and women do this evening? Going to a concert.
A.
Going to a concert.
B.
Seeing a movie.
C.
Going for a walk.
D.
Going shopping.
【单选题】—There _______ a concert this evening. —Exciting news. [ ]
A.
are going to be
B.
is going to be
C.
is going to have
D.
will have
【单选题】--- What are you going to do this weekend? --- There ________ a concert at school. I’m going to listen there.
A.
is going to have
B.
is going to be
C.
will have
D.
has
【简答题】请简单解释Python中 staticmethod(静态方法)和 classmethod(类方法), 并分别补充代码执行下列方法。 class A (object) : def foo (self, x) : print( "executing foo(%s, %s)" % (self,x)) @classmethod def class_foo (cls, x) : print( "execut...
【单选题】Which of the following best describes a self-executing treaty?
A.
It is a treaty that requires state parties to enact enabling legislation before it becomes effective domestically.
B.
It is a treaty containing a term that says that it is directly effective within the signatory states upon ratification.
C.
It is a treaty adopted according to the constitutional provisions of the ratifying state.
D.
It is a treaty or international agreement entered into by a state’s executive without following the state’s constitutionally required ratification procedure.
【多选题】细胞质膜是紧贴细胞壁内侧.包围着细胞质的一层柔软.脆弱.富有弹性的半透性薄膜, 厚约 7-8nm,由磷脂(占 20%-30%)和蛋白质(占 50%-70%)组成.其主要功能有:
A.
控制细胞内外的物质的运送和交换
B.
维持细胞正常的渗透压的屏障作用;
C.
合成细胞壁各种组分(肽聚糖.脂多糖和磷壁酸)和荚膜等大分子的场所;
D.
进行氧化磷酸化和光合磷酸化的产能基地;
E.
传递信息
F.
鞭毛的着生点和提供其运动的能量.
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