呼吸困难、急迫，张口抬肩，甚至鼻翼煽动，难以平卧者，称为（）。
A.短气
B.少气
C.喘
D.哮
E.少气
参考答案：C
Dear students, please read every sentence carefully. _____ you are, _____ mistakes you'll make. [ ]
A. The more carefully, the fewer
B. The more careful, the less
C. The more carefully, the less
D. The more careful, the fewer
请问硅脂的主要用途是（）
A.现在CPU功耗低、发热量少、可以不用硅脂
B.使CPU与散热器接触充分
C.可以作润滑作用、让CPU风扇转得更快
D.硅脂涂抹越多，散热的效能就越好
