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问题 单项选择题

在消防电气检测中，便携式红外测温仪的测量范围为（）。

A．-30℃～350℃ 

B．-30℃～330℃ 

C．30℃～350℃ 

D．30℃～330℃

答案

参考答案：D

解析：

在消防电气检测中，便携式红外测温仪的测量范围为一30℃～350℃。

单项选择题

A 4-month-old infant is brought to the pediatrician by his parents because they’re concerned about his frequent respiratory infections, poor feeding habits, frequent vomiting, and colic. The physician notes that the baby has failed to gain expected weight and recommends that the baby have a sweat test performed to detect possible cystic fibrosis. To prepare the parents for the test, the nurse should explain that （）.

A．the baby will need to fast before the test.

B．a sample of blood will be necessary.

C．a low-sodium diet is necessary for 24 hours before the test.

D．a low-intensity, painless electrical current is applied to the skin.
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单项选择题 A2型题

男，40岁。X线胸片及CT发现纵隔肿瘤而入院。下列哪种肿瘤一般不采用手术治疗（）

A.胸骨后甲状腺肿

B.神经纤维瘤

C.淋巴瘤

D.畸胎类瘤

E.胸腺瘤
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