下列民用爆破器材生产所用的敏化剂材料主要有()等。A、硝酸铵 B、复合蜡 C、亚硝酸

题型:多项选择题

问题:

下列民用爆破器材生产所用的敏化剂材料主要有()等。

A、硝酸铵

B、复合蜡

C、亚硝酸钠

D、H发泡剂

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题型:多项选择题

先天性主动脉瓣狭窄患者出现杂音的部位及时期为()。

A.心尖区收缩期杂音

B.心尖区舒张期杂音

C.胸骨右缘第2肋间舒张期杂音

D.胸骨右缘第2肋间收缩期杂音

E.胸骨左缘第3肋间舒张期杂音

题型:多项选择题

12岁男孩,学校体检时尿糖阳性,无任何症状。父亲10年前也有尿糖阳性,进行过口服葡萄糖耐量试验(OGTT),但没有被诊断为糖尿病,父亲一直避免过食,目前也无任何不适。父子的体重均在正常范围,无糖尿病家族史。就诊当日,首选的检查为

A.患儿的血气检查

B.患儿OGTT及同时的尿糖检查

C.患儿空腹血糖检查

D.患儿尿糖检查

E.患儿尿酮体检查

题型:多项选择题

One day Jack’s wife was cleaning out a closet(壁橱).

"Look at all these umbrellas," she said to Jack. "There are eight and they are all broken."

"I’ll take them to the umbrella shop and have them mended," Jack said.

Jack took the eight umbrellas to the shop and left them there. "They’ll be ready tomorrow," the shopkeeper said.

That evening Jack went home from the office by bus as usual. He sat next to an old woman. She had an umbrella on the floor near her.

When the bus reached his stop, he picked up her umbrella and stood up. "Hey!" the woman said. "That’s my umbrella !"

"I’m sorry," Jack said, and at the same time he gave the umbrella to her. "I wasn’t thinking. Please excuse me."

The next day he got back the umbrellas from the umbrella shop and got on the bus.

As he sat down, a voice behind him said, "You certainly have a successful day!"

He turned around and saw the woman whose umbrella had almost been taken by him the day before.

The next day Jack saw the woman ().

A.in the shop

B.at home

C.on the train

D.on the bus

题型:多项选择题

与CT图像密度分辨率无关的是()

A.光子的数量

B.像素噪声

C.焦点尺寸

D.焦点至探测器距离

E.扫描层厚

题型:多项选择题

梅尼埃病的主要病理改变是()

A.蜗管扩张膨大

B.球囊扩张膨大

C.膜迷路破裂

D.螺旋器退行性变,血管纹萎缩

E.内淋巴囊之囊壁纤维化

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