题目

下图（a）、（b）为用指针式压强计验证液体内部压强的规律实验中的一个情景，此时研究的是液体内部压强与             的关系。[ 图（a）、（b）中的容器内均装满液体]。用此装置还可研究液体内部压强与             的关系。 答案：液体密度；液体深度 Passage 2Amy was looking for a gift for her little daughter. Suddenly she stopped before a store of dolls. “Girls like dolls,” she thought as she stepped into it. Looking around, she saw a grandma doll—one with gray hair and a pair of glasses. In her mind appeared Joyce, her mother.When Amy was a little girl, she got her first doll from Joyce for her birthday. Then the second, the third… A doll a year never arrived late.“Why always a doll?” This question had been in Amy’s mind until one day her father gave the answer.Little Joyce dreamed to have a doll. Her parents promised one for her fifth birthday. Sadly, they both died in a traffic accident before it arrived. The never-received gift was the most precious (珍贵的) in her eyes.Her mother’s story being recalled, Amy got an idea.It was Joyce’s birthday. A package was sent to her with a card that read:Dear Joyce,I forget to send you the package that you should have received on May 20, 1956, your fifth Birthday. The gift inside has aged, but I felt that you might still wish to have it.Love, Angel of JoyJoyce opened the package and saw a lovely grandma doll. She clasped the doll that she had waited so many years for, crying softly. The doll given by “Angel of Joy”, made her the happiest “child” in the world.【1】We can tell from the story that Joyce is _____A.Amy’s daughterB.Amy’s motherC.the grandma dollD.Angel of Joy【2】Why did Joyce think dolls were the best birthday gifts for Amy?A.Amy dreamed to have all kinds of lovely dolls.B.Amy looked like a doll when she was a little girl.C.Joyce received a lot of lovely dolls from her parents.D.Joyce had never got the dream doll from her parents.【3】Who sent a grandma doll to Joyce indeed on her birthday?A.AmyB.Angel of JoyC.Joyce’s parentsD.Amy’s daughter【4】The underlined word “clasped” means “______” in the passage.A.heldB.threwC.madeD.bought【5】What can we learn from the story?A.Dolls are every little girl’s dream toys.B.Grandma dolls are best gifts for parents.C.Parents sometimes need their “Angel of Joy”.D.Parents’ birthdays are very important.