三环类抗抑郁药有效治疗剂量为（）。 A.50～100mg／d B.100～150mg

During our two months on the road, Bennett and I had a really (1) experience with a good, honest (2) and some helpful mechanics.

We were driving east on Highway 10 when our "chick engine" light came on. We limped of a(n) (3) into Las Cruces. We had a real car (4) Bennett nursed the ear into a local garage. By this time the car was missing so (5) it was shaking all over. This was the (6) time to arrive at a garage—late Friday afternoon. Service adviser Scott was busy (7) paper work and customers as we (8) our problems. (9) he was already "ten cars behind", he told us to pull the car into the garage.

Lincoln, who we later (10) was one of the two motor technicians, took (11) of our car repairing. He and Scott and some other mechanics stayed several hours after closing, (12) the car.

Early the next morning (the shop was officially closed on Saturdays), Lincoln finally located the (13) and fixed it easily within only (14)

Later Scott (15) out to us that it was our attitude that helped. "You didn’t come into the place demanding this or that. You showed an (16) of our problems on a busy Friday afternoon. Customer’s attitude means a lot. " He was right in some way, customers should show (17) and understanding to people who (18) them. (19) people were extremely busy, they found way to at least try and help when they are met with politeness.

The pleasant experience I had shows that (20) for other people can always help.

5().

A.busily 

B.badly 

C.quickly 

D.weakly

某工程项目合同工期为20个月，建设单位委托某监理公司承担施工阶段监理任务。经总监理工程师审核批准的施工进度计划如图5-20所示（时间单位：月），各项工作均匀速施工。

由于建设单位负责的施工现场拆迁工作未能按时完成，总监理工程师口头指令承包单位开工日期推迟4个月。工期相应顺延4个月，鉴于工程未开工，因延期开工给承包单位造成的损失不予补偿。指出总监理工程师做法的不妥之处，并写出相应的正确做法。

良性淋巴增生性唇炎的病理特点为（）

A.基底膜下有大量淋巴细胞呈带状浸润

B.固有层扩张的毛细血管周围见淋巴细胞浸润

C.固有层炎性细胞浸润于腺管间

D.固有层淋巴样滤泡形成

E.粘膜下层肉芽肿形成

患者表现为明显的吸气性呼吸困难，伴有三凹征，常见于（）

A.支气管肺炎

B.支气管哮喘

C.阻塞性肺气肿

D.气管异物

E.肺结核

我国彩色电视机采用双载频FM-FM方式实现双伴音、立体声电视广播。为识别和切换单双伴音/立体声伴音制式，采用的方法是（）.

A、根据各种伴音制式的载波频率进行识别

B、双伴音时发送一个3.5倍行频的导频信号进行识别

C、用不同的单频信号分别对导频副载波进行调幅信号的识别

D、立体声时发送一个3.5倍行频的导频信号进行识别