根据汉语拼音写出汉字。 ①梦________（huàn）　②挺________（

关于强直性脊柱炎，下列哪项是错误的（）

A.主要侵犯骶髂关节和脊柱

B.以中年男性多见

C.90%～95%患者HLA-B₂₇阳性

D.类风湿因子阴性

E.多有明显腰背痛，多缺乏皮下结节

有发热、胸痛、咳嗽的病人，下列哪项检查有助于肺炎与胸膜炎的鉴别（）

A.语颤增加

B.呼吸急促

C.湿性啰音

D.呼吸音减低

E.病变处叩诊呈浊音

幼儿散文

中国的顶层域命名为（）。

A.CH

B.CN

C.CHI

D.CHINA

The figure above represents a window, with the shaded regions representing openings for glass and the pale regions representing the wood panels between and around the glass. If the window is 4.5 feet high by 2.5 feet wide, and if each of the wooden panels is exactly 4 inches thick, what is the total surface area, in square inches, of glass in the window ？（）
(1 foot=12 inches; figure not drawn to scale)

A. 189

B. 378

C. 448

D. 756

E. 1,620