Despite the short stay in this foreign country, he has soon ________himself to the new environment.( )
A:attended
B:adopted
C:adapted
D:admitted
Simon with Andy sometimes _______ me with my maths. I _______ well in it.
已知某DNA分子中,G与C之和占全部碱基总数的38%,其中一条链的T与C分别占该链碱基总数的40%和17%,则在它的互补链中T和C分别占该链碱基总数的( )