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【单选题】
听力原文： Mr. Baker is very happy to see Miss Green every morning because she is a good secretary. One Monday Miss Green didn’t come to work because she was iii. She had a terrible cold and a bad headache, so she phoned Mr. Baker. (The telephone rings. ) W: Good morning, Mr. Baker. M: Good morning, Miss Green. What’s wrong? Where are you? W: I am at home. I' m iii. I' m afraid I' ye got a terrible cold and a bad headache. M: I' m very sorry to hear that. Well, you ' d better stay at home. W: Thank you, Mr. Baker. See you tomorrow. M: See you tomorrow. Goodbye. W: Goodbye, Mr. Baker. Where did the dialogue happen?A.
In the office.
B.
On the phone.
C.
At home.
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【单选题】地基陷穴处理的导洞和竖井适用于（）。
A.
小而直的陷穴，以干砂灌实整个洞穴
B.
较大、较深的洞穴
C.
洞身不大.但洞壁起伏曲折较大，并离路基中线较远的小陷穴
D.
各种形状的陷穴