A) artificial B) informal C) perfectD) practical
A) artificial
B) informal
C) perfect
D) practical
A) artificial
B) informal
C) perfect
D) practical
第1题
A.lb=[0;-inf];ub=[inf;inf]
B.lb=[-inf;0];ub=[inf;inf]
C.lb=[-inf;-inf];ub=[inf;0]
D.lb=[-inf;-inf];ub=[0;inf]
第7题
设f(x)在[0,1]上连续且f(x)≥a>0,
试证 ∫01Inf(x)dx≤Inf∫01f(x)dx.
第8题
9 One's economic condition often affects his or her way of life.
A determines B shows C influences D confines
第9题
9 One's economic condition often affects his or her way Of Life。
A determines B shows C influences D confines
第10题
He would promise that they would_____in some sphere of society.
A.be influenced
B.become influenced
C.become influential
D.influential
第11题
A.She will do the jobs for him.
B.She will inform. him of what he missed.
C.She will inform. him of the dates.
D.She doesn't think they have been doing that much to be concerned.