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【简答题】
Thispart aims to improve your listening ability. There are two passages, we willlisten to them one by one. Listen to the first passage for three times: thefirst one just listen and try to grasp the main idea, the second time try totake down every word to fill in the blanks, the last time just listen and checkup what they have taken down. At last, try to master some typical expressions. Listening I Tape script: At the Café (1) Staff: We’re 1 so long. Please come in, ma’am. I’ll 2 near the window. Customer: Good. Thank you. Staff: 3 ? Customer: Very fine, thank you. Staff: What would you like, ma’am? Customer: 4 , please. 5 , please. Staff: Our coffee is not too strong. American style coffee. Black or white ? Customer: 6 , please. Staff: With sugar or without? Customer: 7 , please. But I’d like 8 . Staff: OK. Anything else? Customer: 9 . Staff: Chocolate or fruit cake? Customer: 10 ? Staff: Certainly, ma’am. Anything else? Customer: No more, thank you. Staff: Please wait a minute. I’ll be back 11 . ( In a few minutes, the waiter brings the order. Half an hour later, the guest beckons the waiter. The waiter comes to the guest’s table. ) Staff: What can I do for you? Customer: Bill, please. Staff: Please wait a moment. ( The waiter leaves for the bill ) Customer: 12 ? Staff: 13 . Customer: Here you are. Staff: Thank you, madam. 14 . Have a good day.
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【多选题】与齿轮传动相比较,蜗杆传动的失效形式有何特点( )
A.
有点蚀
B.
弯曲折断
C.
蜗杆传动中蜗轮轮齿的胶合要比齿轮传动严重
D.
蜗杆传动中蜗轮轮齿的磨损要比齿轮传动小
【单选题】在反射速调管工作过程中,为了获得最大的输出功率和稳定的工作频率,则需要选择速调管工作在最佳振荡模中的适宜的电压值,该值为
A.
最小电压值
B.
中心电压值
C.
最大电压值
D.
振荡模所覆盖的电压值
【单选题】土木工程中将软化系数大于()的材料用于潮湿环境中的重要结构。
A.
0.70
B.
0.75
C.
0.80
D.
0.85
【简答题】试述印前图文处理系统的构成及基本工艺流程?
【单选题】工艺流程图的基本构成是
A.
图形
B.
图形和标注
C.
标题栏
D.
图形、标注和标题栏
【判断题】供应链是产品生产和流通过程中所涉及的物料供应商生产商批发商零售商,以及最终消费者组成的供需网络。( )
A.
正确
B.
错误
【单选题】相对误差的表示方法有( ),( )和( )。
A.
实际相对误差,示值相对误差,引用相对误差
B.
计算误差,系统误差,引用相对误差
C.
实际相对误差,系统相对误差,引用相对误差
D.
实际相对误差,示值相对误差,引用绝对误差
【多选题】管道流程图是表示工艺过程的图样,即工艺流程示意图,通过识读流程图可达到下列目的:( )
A.
了解建筑物的基本构造、轴线分布及有关尺寸
B.
掌握设备的种类、名称、型号
C.
了解物料介质的流向,弄清楚原料转变为成品的过程,搞明白工艺流程
D.
掌握管子、管件、阀门的规格、型号
E.
掌握控制点的状况
【单选题】以下鹅口疮临床表现的叙述哪项是错误的
A.
颊部、齿龈处有白色乳凝块物
B.
局部不痛、不影响吃奶
C.
多无全身中毒症状
D.
病情严重者可影响呼吸道和消化道
E.
患儿均有发热
【简答题】“蚓”和“蟹”对照说明学习要 (用两个字回答)。
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