问题
选择题
—Do you think our football team will win the match?
—Yes, we have better players. So I _____ them to win. [ ]
A. hope
B. ask
C. help
D. expect
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Do you think our football team will win the match?
—Yes, we have better players. So I _____ them to win. [ ]
A. hope
B. ask
C. help
D. expect
答案：D
，A=αβT，B=βTα，其中βT是β的转置．求解方程