下图为某雄性生物细胞内的DNA含量变化图,据图回答
从A到G表示的是()分裂过程;曲线由I到O表示的是()分裂过程
参考答案:减数分裂;有丝分裂
—Did you have a good trip?
—Yes, the light rain didn't stop us ______ the trip. [ ]
A. to enjoy
B. enjoy
C. from enjoying
D. in enjoy
表示热轧光圆钢筋符号的为()。
A.HPB300
B.HRB335
C.HRB400
D.RRB400