胃冠状静脉的主要分支包括（） A.胃支 B.胰十二指肠支 C.食管支 D.低位食管支

甲、乙两根同样长的绳子，一根用去 3 5 ，另一根用去 3 5 米，则剩下的绳子（　　） A．甲根长 B．乙根长 C．同样长 D．无法比较

The weather in Guiyang in summer is ______than that in Tongren. They’re different .

A．cool

B．muchcooler

C．hot

D．much hotter

Questions 9-13

·You will hear five people talking about what they teach.
·Questions 9 to 13, choose from the list A to F what each speaker teaches.
·Use the letters only once. There is one extra letter which you do not need to use.

• A. Basic Conversation—Greetings
• B. Oral English Level 1
• C. Practical Conversation—Talk about your hometown
• D. Daily Dialogue
• E. Business Travel English
• F. IELTS Skills
  Speaker 1 ( / 9 )
  Speaker2 ( / 10 )
  Speaker 3 ( / 11 )
  Speaker4 ( / 12 )
  Speaker 5 ( / 13 )

试述加速度调节器的作用？

多层建筑的轴线应由施工层的下一层引测到施工层.