微囊的制备方法有() ["凝聚法","液中干燥法","界面缩聚法","溶剂-非溶剂法","喷雾干燥法"]
中国杂交水稻之父是() ["钱学森","丁肇中","袁隆平","陈景润"]
绵马贯众主产于() ["云南、贵州、四川","甘肃、青海、西藏","广东、广西、海南","黑龙江、吉林、辽宁","江西、江苏、山东"]
-Y=41.36+2.88X是以20岁男青年前臂长(cm)估计身高(cm)的回归方程,若前臂长换成国际单位米(m),则此方程() ["截距和回归系数都变大","回归系数变大","截距变大","截距和回归系数都不改变","截距和回归系数都变小"]
从匝道入口进入高速公路的车辆,必须在()上提高车速,并开启转向灯,驶入行车道时,不准妨碍其它车辆正常行驶。
《前赤壁赋》采用了“主客问答”这一赋的传统表现手法,请简述其作用?