【单选题】1 4 . 人发高烧时 , 打针吃药之后 , 出了一身大汗 , 身体就退烧了 , 这是主要因为 ( ) A . 体内的代谢废物被排出 B . 汗液的蒸发吸收了体内的一部分热量 C . 体内呼吸作用减弱 , 产生的热量减少 D . 体内无机盐排出 , 降低体温
【单选题】建立顾客忠诚,可大大降低市场开发费用,因为老顾客的费用只相当于吸引一个新顾客的费用的( )
【多选题】在津液的输布过程中,起最重要作用的三个脏器是
【简答题】汽车上安装的传感器的种类和数量因车型的不同而各异,请列举出汽车上一些常见的传感器,并简述下其功能。
【单选题】人体代谢产生的废物必须及时通过各种途径排出体外,其中最主要途径是 [ ]
【单选题】细胞膜的脂质双分子层中,脂质分子的疏水端( )
E.
外层的朝向细胞膜的外表面,内层的朝向双分子层的中央
【单选题】— What did the mother say? —She said that her son went ______.
A.
every day to school very slowly
B.
slowly every day to school
D.
to school slowly every day
【简答题】完形填空。 Mary was born in England,but she 1 in Rome(罗马). Last year her mother said to her,'You're six years old now, Mary, and you are going to 2 school here. You're going to like it 3 , 4 it's a nice sc...
【简答题】O ne day, as Carl ’ s wife was going out, her child began to cry, begging to go with ____1____. “ Stay home, ” the mother said to him. “ When ____2____ return, we will kill a pig for ____3____ dinner!...