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【单选题】
若代数式 在实数范围 内有意义,则实数 x 的取值范围是( )A.
x ＜ 3
B.
x ＞ 3
C.
x ≠ 3
D.
x ＝3
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举一反三
【单选题】Athletes, musicians and powerful business executives are not necessarily role models because______.
A.
skill cannot guarantee happiness and fulfillment
B.
they lack character
C.
skill is not necessary for success
D.
they are just heroes
【单选题】According to Bill Bank,______.
A.
it's better for young blacks to find role models in those who are close to them
B.
young blacks should not be so much influenced by Obama
C.
blacks should find other role models because Obama is far from their reality
D.
Obama is not the proper role model for African-Americans
【多选题】Hero Friends ().
A.
are better than the rest of us
B.
are role models to us
C.
are sick
D.
are disgusting
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