颈静脉切迹解剖上与胸椎有什么关系（） A.后平第2胸椎体下缘 B.后平第1胸椎体下缘

角膜接触镜的并发症有（）

A.角膜溃疡

B.上睑下垂

C.残余散光

D.继发性春季性结膜炎

E.急性镜片过紧综合征

焦炉煤气中CmHn是指（）。

A、一般为焦油、萘等多碳有机物

B、一种单质物质

C、两种单质物质的混合物

下面是用户程序对Applet 类中方法paint ()的重新定义，根据程序功能，在指定的空白处填上适当的语句或语法成分。
public void paint (Graphics g)
g 【9】 (“你好!”，10，20)；

嵌顿伴血循环障碍的是（）

A．易复性疝

B．难复性疝

C．嵌顿性疝

D．绞窄性疝

E．膈疝

Despite (1) that alcoholic beverages may (2) , a leading medical expert is advising: don’t (3) just yet.
Anybody who’s ever worked in a hospital sees the hospital is full of patients that have (4) disease, but the hospital is not full of patients that have disease related to cholesterol and (5) .
In an (6) in the current New England Journal of Medicine, Dr. Goldberg of Columbia University said it is time to see (7) prevents heart disease. Such a study would give (8) to one group of heart disease patients and not to another, and see (9) .
In the latest study, which followed (10) over a 12-year period, researchers found that those who drank (11) drinks per week (12) of heart attack by (13) compared to (14) .
The lead author, (15) Kenneth Mukamal of Beth Israel Deaconess Medical Center in Boston, insists his study is (16) . For one thing, other studies have not looked at (17) .
Dr. Mukamal says (18) also appear to settle which alcoholic beverage are (19) . "Beer and spirits, beer and liquor, were most ply (20) ."