引起胆囊收缩、学习星尔厢记Oddi括约肌舒张的最重要的物质是A．胃泌素B．胆囊收缩素C．促胰液素D．盐酸
通超校核明渠允许流速的目的是（)。A．使过流量最大B．达到水力最佳断面C．保证明渠水流恒定D．保障渠道
在无压圆管均匀流中，雅西其他条件保持不变，正确的结论是（)。A．流量随设计充满度增大而增大B．流速随
几何相似、赏析运动相似和动力相似三者之间的关系为（)。A．运动相似和动力相似是几何相似的前提B．运动
课后气压计的读数是（)。A．绝对压强B．相对压强C．绝对压强加当地大气压D．相对压强加当地大气压
微型计算机的软件包括（)。A．MS－DOS系统，答案Super SAPB．DBASE数据训，FORTRAN语言C．机器语言和通用软
存放在软盘中的信息，学习星尔厢记设置成写保护，正常时它（)。A．既可写，也可读B．只能写C．只能读D．不能写，不能
通超与十进制数254等值的二进制数是（)。A．11111110B．11011111C．11110111D．11011101
雅西剪贴板是在（)中开辟的一个特殊存储区域。A．硬盘B．外存C．内存D．窗口
FORTRAN程序每一行有80个字符（列)，赏析按从左到右顺序，其中4个区段排列次序为（)。A．语句标号段，语句
课后What would the speaker's father always do after eating in the restaurant？A．Have a good sle
第一节 单项填空从A、答案B、C、D四个选项中，选出可以填入空白处的最佳选项。 —Do you like a house with
学习星尔厢记If no one ______ the phone, they must have gone out for breakfast.A．answerB．answeredC．had
通超______ !There's a little pool on your side.A．Look outB．kook overC．Look asideD．Look on
雅西It is said in the book that Thomas Edison （1847 ～ 1931 ) ______ the world leading invento
—Mum, I've been studying English since 8 o'clock. ______ I go ont and play with Tom for a
Jobholders work fewer hours and thus have more ______.A．timeB．freedomC．leisureD．habit
You ______ him out though you were very busy.A．could have helpedB．must helpC．should have h
Don't ______ from me while I'm talking to you.A．turn backB．turn offC．turn awayD．turn out
Now ______ of students has reduced because ______ of students have graduated recently.A．th