多表现为髋关节疼痛跛行，卧床休息及患肢皮牵数周即愈的是 A．压缩骨折 B．横骨折 C

我们大家并不是不认为他的积极建议不是不无道理的。我们究竟认为他的建议有没有道理（）

A．有道理

B．没有道理

C．既有道理又没有道理

D．是否有道理并没有多大关系

That helps to explain ( ). businesses are setting up Net sites even though profits aren't yet very big.

A．that

B．the reason for

C．why

D．why that

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Jim Smyth may be a charismatic speaker, but it seems to be counterproductive to have a high school dropout as mayor in a town where illiteracy functionally affects 37 percent of the electorate.（）

A. where illiteracy functionally affects 37 percent of the electorate

B. in which functionally the electorate is 37 percent illiterate

C. where 37 percent of the electorate are functionally illiterate

D. which has 37 percent of the electorate functionally illiterate

E. where, of the electorate, 37 percent of them functionally are illiterate

通过背部脊椎周围穴位、经络的按压和刺激，达到调节（）机能、调整脏腑阴阳平衡，从而治疗体内各系统的病变，增强人体抵抗力，并对因长期办公室工作人员的腰酸背痛、腰肌劳损及坐骨神经病变具有良好的改善作用。

明朝有位民族英雄的纪念馆当中有一幅对联：“数点梅花亡国泪，二分明月故臣心。”请问这位民族英雄是谁？