tiger butterflies chicken elephanthorses snail fish4. Get the ______by the tail.--------------dealing with a very tough job
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tiger butterflies chicken elephanthorses snail fish5. Have _________in one’s stomach. -------------- being nervous
tiger butterflies chicken elephanthorses snail fish6. On their high ___________.--------------being proud
tiger butterflies chicken elephanthorses snail fish7. White __________.-------------- something useless, liability, burden
以下程序段输出的结果为( )。a=[1 2 3];b=[2 4 6]';%转置tryc=a.*b;catchc=a*b;endc
A.没有结果
B.28
C.[3 6 9]
D.[2 8 18]