蝗虫与家蚕个体发育比较,蝗虫生活史中不具有的时期是( ) A.受精卵 B.幼虫 C.蛹
我国法定的公司形式有两种,即有限责任公司和股份有限公司,它们的共同点在于( ) ①都是依法成立的企业法人
如图12-3-15所示,有一磁感应强度为B=0.40T的匀强磁场,其磁感线垂直地穿过半径的金属环,OA是一根金属棒,它贴着圆环沿顺时针方向绕O点匀速转动
下列人类常见疾病中,能依据孟德尔遗传规律预测后代患病几率的是 A.地方性甲状腺肿 B.原发性高血压 C.艾滋病 D.先天性聋哑
把下面文字中画线的部分改写成整句。(4分) 小屋的出现,点破了山的寂寞,增加了风景的内容。山上有了小屋,好比一望无际的水面飘过一片风
--Mum, I don’t think I am qualified enough to do this. --Honey, be confident! You should know it is ____ a man thinks of himself ___ really determines his fate. A. that; that B. how; that
Cindy ,Jerry and Mary are giving their opinions about a good friend. Cindy: I think a good friend should be honest(诚实的). That’s more important than any other thing . If a friend isn’t hones