已知p、q为质数，且5p2+3q=59，则以p+3，1-p+q，2p+q-4为边长的三角形是()．
A. 等边三角形
B. 等腰但非等边三角形
C. 直角三角形
D. 钝角三角形
E. 以上答案均不正确
查看答案
【C6】
A. like
B. as
C. same
D. similar
Jerry splashed and kicked in the water because____.
A. he was pretending to be drowning
B. he wanted to amuse all the other boys
C. he hadn't been able to do what the other boys had done
D. he wanted the other boys to listen to what he was saying
【C7】
A. cooperation
B. imitation
C. separation
D. combination
【C4】
A. setting up
B. making up
C. taking up
D. building up
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