“地上河”是指黄河的上游河段。（ ）
— How do you like Alice?
— my view, she is an excellent student.
下列现象中，与地球自转有关的是（ ）
— __________. That man got his books and left a few minutes ago.
设a,b为实数，若复数1+2ia+bi=1+i，则( )
