解吸剂冷却流程用于解吸塔升温的冷却时，其冷却器出口物料的温度要求是（）。A.≤40℃

— Never thought to meet you here at this time. 

— _____.[ ]

A. Glad to see you.

B. It's a small world.

C. So did I.

C. Oh, haven't you?

最能尽快明确诊断的检查是

A．选择性腹腔动脉造影

B．内镜检查

C．核素检查

D．胃黏膜活检

E．X线钡剂造影

弯制支架的原则中错误的是（）

A.严格按照支架设计要求

B.支架各部分必须与模型紧密贴合

C.金属丝应避免反复多次弯曲、扭转

D.选用对金属丝损伤小的器械

E.不要损伤模型

The local Tibetans and Sherpas laughed at the strange bottles containing ________ they referred to as “English air”．

A．which

B．that

C．how

D．what

We should consider the students’ request that the school library_______ more books on popular science.

A．provide

B．was provided

C．provided

D．should be provided