下列各句中，加点成语使用恰当的一项是（   ）（2 分）

A．现在的电信诈骗案层出不穷，行骗者手段之隐蔽，伎俩之巧妙，蒙骗形式之多样，简直令人叹为观止。

B．自然科学领域中，有许多令人异想天开的神秘现象，正等待着科学家们去破解。

C．在全球经济一体化成为大趋势的今天，与国际接轨是一个自强不息的民族的必然选择。

D．有德之人不会以权谋私，不会贪污受贿，虽然清贫点，但活得坦荡，没有水落石出之虑，也没有半夜敲门之惊。

短文改错（10分）此题要求改正短文中的错误。短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在此符号下面写出该加的词。

删除：把多余的词用斜线（╲）划掉

修改：在错的词下划一横线，并在该词下面写出修改后的词

注意：1．每处错误及其修改均仅限一词。

2．只允许修改10处，多者（从第11处起）不计分。

Li Ming and Li Juan study very hardly. They do extremely well all the subjects. Li Juan decides to attend in Sichuan University while Li Ming preferred Beijing University. It makes them differ from the most students is that they don’t go to school. In fact, they have never been to school. Since kindergarten, we have studied at home. Neither of them feels they have missed anything by taught at home all the time. Like many people received home schooling in Chengdu, and they feel they are lucky.