According to the text, which of the following is CORRECT about Ann Keen?
A. She refused the local airport plan.
B. She took 1,500 pound illegally.
C. She was notorious for extravagance.
D. She was the center of the scandal.
查看答案
在各种公路的用土中,工程性质最差的土是粉性土和重黏土。()
路基碾压中发生弹簧现象时,一般都用加大压实功的办法来解决。()
烷烃的通式是
A. CnH2n-6(n≥6)
B. CnH2n+2O
CnH2n+2
D. CnH2n
E. CnH2n-2