将下列国家与其对应的地理事物用直线连起来。
越南—河内;泰国—曼谷;老挝—万象;柬埔寨—金边;缅甸—内比都
等腰梯形的两底差等于腰长,腰与下底边的夹角为( ),与上底的夹角为( )
Never before ______ such a wonderful place ______ Qingdao.
A.have I been to; as
B.I have been to; like
C.have I been to; like
D.I have been to; as