中国共产党第十七届中央委员会第六次全体会议,于10月15日至18日在北京举行。全会审议通过了《 》。A.《积极发展文化事业和
读“农业的主要区位因素图”,完成1-3题: 1.图中字母B是土壤,那么字母A表示的内容 A.市场 B.政策 C.地形
诺曼底登陆是第二次世界大战的著名战役,其登陆地点可在下列哪一图中标注出来
a、b、c表示某植物体三个相邻的细胞,它们的细胞液浓度为a>b>c,它们之间的水分渗透方向是( )
—Where's Mary? —I think she ________ in the library.You know she never wastes time. A.has gone to B.has been to C.is studying D.will stay
I’m sure they haven’t forgotten the date of the meeting, but let’s send them an email just____. A. in time B. in case C. at present
–It’s wrong for a student to follow _____ his teachers say. --it’s true. I can’t agree _______. A. no matter what; to much B. whatever, much C. no matter what; more
两对基因(A-a和B-b)位于非同源染色体上,基因型为AaBb的植株自交,产生后代的纯合体的中与亲本表现型相同的概率是 A.3/4 B.1/4