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【单选题】
若某一事件取值的概率为1,则这一事件被称为A.
随机事件
B.
必然事件
C.
不可能事件
D.
基本事件
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反馈参考答案：
举一反三
【简答题】They have never met, but they have been in ________ with each other for years.
【单选题】They have never met, but they have been in__________with each other for years.
A.
letter
B.
note
C.
correspondence
D.
paper
【单选题】设有下列声明语句: int i,j; float x,y; double u,v; 下列哪个赋值是合法的?( )
A.
x=u+y;
B.
i=x;
C.
x=v
D.
y=ji*x
【简答题】细胞的形态结构与( )的相关性和一致性是很多细胞的共同特点。
【单选题】设有下列声明语句: int i,j; float x,y; doubleu,v; 下列哪些赋值是合法的?( )
A.
i=x;
B.
x=u+y;
C.
v=x
D.
y=j/i*x
【单选题】Children are often ______ about everything they have never met before.
A.
familiar
B.
content
C.
curious
D.
satisfied
【简答题】Fill in each of the blanks with a correct word or phase: handicap, physical, junk, accent, a couple of, witness, tucked, correspondence, issue, trial They have never met, but they have been in ______ ...
【单选题】If your friend have a crash on someone on Wechat and they have never met each other, you should_____.
A.
. think her/his behavior is so silly and pay no attention to it.
B.
to blame him/her .
C.
Tell him/her to enlarge the of real-life friends.
D.
Do the same thing as him/her.
【简答题】细胞的 与 的相关性和一致性是很多细胞的共同特点
【单选题】关于坐骨神经痛,下列说法错误的是( )。
A.
从下腰部向臀部、大腿后方、小腿外侧至足部的放射痛
B.
是由于 L5-S1 神经根受压所致
C.
从下腰部向臀部、大腿前方、小腿外侧至足部的放射痛
D.
患者喷嚏或咳嗽由于腹压增加 , 疼痛加重 ,
E.
早期表现为痛觉过敏 , 病情较重时出现感觉迟钝和麻木。
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