A:account for
B:answer for
C:allow for
D:call for
义和团运动与太平天国运动的不同之处是( )
—She ________ be. She ________ be missing her grandma who has Alzheimer's.
如图是某一DNA片段,下列关于该图的叙述,正确的是( )
189与某数的最大公约数是21,最小公倍数是378,这个数是____ .