题目内容

设a=1，b=2，c=3，d=4，表达式Not b=a Or 4 * a+1＞=d And c＜＞a+b的值为【】。

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在Visual Basic中，实参传递给形参有两种方式，【】方式可以通过改变过程中的相应的参数来改变实参变量的值；而【】被调用过程中改变了这个形参的值，但对应的实参的值并不改变。

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What is the job advertised？The ______ of houses.

There are five main consequences of this uncontrolled urbanization: firstly, people move from the country to the city because they see the city as a more desirable place' to live. Secondly, rural areas thus become less populated and this causes a decrease in the production of food. Thirdly, there is a high urban population growth rate. Fourthly, there is a dramatic pressure on the supply of social services, especially those services related to education and health, and finally, uncontrolled urbanization leads to an excess of labor supply in the cities.
There are a few policies which could slow this kind of uncontrolled urbanization in developing countries. A more equal land distribution should be promoted. In this way farmers would be more motivated to stay on the land. Also, the supply of social services in the rural areas has to be improved, particularly in the field of health and education. Most importantly, it is necessary to give financial assistance to agriculture, especially to the small land owners.
The main problem discussed in the passage:【46】.
The consequence of fewer people in the countryside: a reduction in the【47】.
Possible solutions to the problem:
1. to carry out【48】.
2. to provide【49】.
3. to offer【50】.