从功能上说,程序语言的语句大体可分为()语句和()语句两大类。

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问题:

从功能上说,程序语言的语句大体可分为()语句和()语句两大类。

考点:计算机科学技术编译原理编译原理题库
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通过应急演练可发现预案中存在的不足,为完善预案提供实际资料。

题型:填空题

根据《税收征收管理法》的规定,纳税人对超过应纳税额缴纳的税款,可以在一定期限内向税务机关要求退还。该期限是( )。

A.自结算缴纳税款之日起1年内

B.自结算缴纳税款之日起2年内

C.自结算缴纳税款之日起3年内

D.自结算缴纳税款之日起5年内

题型:填空题

Most people advise that students’ heavy burden __________.

A.reduce

B.be reduced

C.to be reduced

D.reduced

题型:填空题

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (52) an educational institution, and they are required to study for a minimum of fifteen hours a week on a (53) course. Prospective students have to show that they can afford their studies, and that they have sufficient (54) resources to support themselves (55) in this country.

In order to work here the foreigner needs a work permit, (56) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (57) these permits, and there is little that can be done (58) it; it would be extremely unwise for a foreign visitor to work (59) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the Common Market countries, who are often given (60) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (61) part-time jobs while they are studying here.

60().

A.temporary 

B.interior 

C.intelligent 

D.terrific

题型:填空题

浮游选煤的有效分选上限是()。

A、0.5mm

B、1.0mm

C、0.3mm

D、0.25mm

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