排队加声望…规则很简单:互加,结果很可观:同涨

多谢麦教不厌其烦的讲解。要是年满16岁未系安全带的乘客还没考驾照呢?罚款没问题,点就没法罚了吧?:D


对,没驾照,就只能罚款,没法罚点。

骑自行车不遵守交规,也是这样,有驾照罚点和罚款,没有驾照,就只能罚款而无法罚点:)
 
对,没驾照,就只能罚款,没法罚点。

骑自行车不遵守交规,也是这样,有驾照罚点和罚款,没有驾照,就只能罚款而无法罚点:)
走路不遵守交规,也是这样! lincoln field 汽车站那儿 过马路必须从人行天桥上过。俺有个同事那天从底下横穿马路被逮,罚了 $60。
 
走路不遵守交规,也是这样! lincoln field 汽车站那儿 过马路必须从人行天桥上过。俺有个同事那天从底下横穿马路被逮,罚了 $60。


嘿嘿
 
The following is a typical question in Lawson's test:


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The results show that the mealworms respond to (respond means moved toward or away from):
a. light but not moisture
b. moisture but not light.
c. both light and moisture.
d. neither light nor moisture.
Please explain your choice.
 
Another Lawson's question:

THE FROGS

Professor Thistlebush wants to know approximately how many frog live in the pond near his home. Because he could not catch all the frogs, he caught as many as he could, put a band around their left hind legs, and then put them back in the pond. A week later he returned to the pond and again caught as many frogs as he could. Here are the Professor's data.

First trip to the pond
55 frogs caught and banded
Second trip to the pond
72 frogs caught, of those 72 frogs, 12 were banded

The Professor assumed that the banded and un-banded frogs had mixed thoroughly and from his data he was able to compute the approximate number of frogs in the pond.

What do you think is the approximate number of frogs in the pond?
a) 72
b) 115
c) 275
d) 330
Explain your answer.
 
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