试题与答案

预应力加固法具有可以减少或限制结构的裂缝、（）、工作可靠以及其他变形等优点。 A.安

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题型：单项选择题

题目：

预应力加固法具有可以减少或限制结构的裂缝、（）、工作可靠以及其他变形等优点。

A.安全可靠

B.经济合理

C.加固效果好

D.施工方便

答案：

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参考答案：D解析：肝阳上亢证属于肝阳亢扰于上，肝肾阴亏于下的上实下虚证。

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题型：阅读理解

阅读理解。

     Dogs wag (摇摆) their tails in different directions depending on whether they are excited and wanting

to move forward or threatened and thinking of moving back, a study has found.

     Researchers in Italy examined the tail wagging behavior of 30 dogs, catching their responses to a range

of stimuli (刺激物) with video cameras. To conduct the study they chose 15 male dogs and 15 female ones

aged between one and six years. The dogs were all family pets whose owners had allowed them to take part

in the experiment at Bari University. The dogs were placed in a large wooden box with an opening at the front

to allow for them to view various stimuli. They were tested one at a time.

     The researchers led by Professor Giorgio Vallortigara of the University of Trieste found that when the

dogs were shown their owners-a positive experience-their tails wagged energetically to the right side. When

they were shown an unfamiliar human they wagged to the right, but with somewhat less enthusiasm. The

appears of a cat again caused a right-hand side wag, although with less intensity again. The appearance of a

large unfamiliar dog, similar to a German shepherd, changed the direction of tail wagging to the left. Research

ers supposed the dog was thinking of moving back. When the dogs were not shown any stimuli they tended

to wag their tails to the left, suggesting they preferred company. While the changes in the tail wagging were

not easily noticed without the aid of video, it was thought that the findings could help people judge the mood

(心情) of dogs. Computer and video systems, for example, could be used by professional dog trainers to

determine the mood of dogs that they were required to approach.

1. The video cameras were used to catch the dogs' responses because _____.

A. it was easier to catch the dogs'response changes in the tail wagging

B. the dogs were put in the wooden boxes and tested one at a time.

C. they enabled the dogs'owners to know about their dogs'habit

D. the dogs wagged their tails in different directions when they were in different moods

2. The underlined word "intensity" in the passage means _____.

A. surprise

B. worry

C. excitement

D. interest

3. When there are no stimuli, a dog will _____.

A. wag to the left

B. wag to the right

C. not wag at all

D. wag to the left and then to the right

4. The underlined word "they" refers to _____.

A. the dogs

B. the trainers

C. the systems

D. the researchers

5. The purpose of doing the experiment is _____.

A. to train dogs for their owners

B. to help people judge the mood of dogs

C. to help dogs find company

D. to help people choose their pet dogs

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