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问题 多项选择题

慢性化脓性骨髓炎MRI的影像表现有（）

A.慢性化脓性骨髓炎骨质增生、硬化、死骨和骨膜反应T1WI和T2WI上均为低信号

B.瘘管在T1WI上呈稍高信号，T2WI上呈高信号

C.肉芽组织和脓液在T1WI上为低或稍高信号，T2WI呈高信号

D.骨质增生、硬化、死骨均为低信号，骨膜反应在T1WI为低信号，T2WI上为高信号

E.瘘管依层面及方向不同，可表现为：点状或不规则粗细不均的索条影从骨内脓腔向皮肤表面伸延

答案

参考答案：B, C, E

判断题

试验现场应装设遮栏或围栏，向外悬挂“止步，高压危险!”的标示牌，并派人看守。被试设备两端不在同一地点时，另一端还应派人看守。
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单项选择题

A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There’s nothing wrong with her hearing. She’s just (6) you out. "

A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don’t listen to each other. Neither person (9) to the actual message sent by the other.

In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why Because they don’t believe that they listen to them. In fact, it seems that sometimes our politicians don’t even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause.

10（）

A.like

B.alike

C.likely

D.likewise
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