【单选题】A firm and long handshake is very common in _____.
【单选题】Base on "Dad": The opposing team captain always get a firm handshake and a gaze because:
A.
I learned handshake from my father and practiced a lot
B.
I have strong arms as my father did
C.
This is the rule of baseball
D.
I have loved the Cleveland Indian team since I was a toddler
【简答题】What may a firm grip (handshake) show?
【判断题】Your handshake shall be firm but not strong.
【单选题】点x=1 上函数 的 ( ) ; A 、 跳跃间断点 B 、 可去间断点 C 、 第二类间断点 D 、 连续点
A.
,也就是说此函数在点x=1处的极限存在,即左右极限都存在且相等,而跳跃间断点是左右极限不相等,故不对;
B.
可去间断点处的左右极限都存在,故此选项正确;
C.
第二间断点处只少有一侧极限不存在,故此选项不对;
D.
此函数在点x=1处无定义,所以不连续,故不对;
【单选题】Always use a firm handshake____________________________ .
A.
when you shake hands with an Italian
B.
when you shake hands with a British
C.
when you shake hands with a French
D.
when you shake hands with an American