皮皮学，免费搜题
登录
搜题
【单选题】
CRH2型动车组的控制电源是由（）供电的。
A.
稳定单相AC100V系统
B.
非稳定单相AC100V系统
C.
稳定DC100V系统
D.
稳定三相AC400V系统
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】与常规 CT 扫描相比,螺旋 CT 扫描的最大优点是( )
A.
连续旋转
B.
扫描速度快
C.
为容积扫描
D.
X 线管容量大
查看完整题目与答案
【判断题】In the following pair of sentences, sentence a is more formal.a) One thing I believe to be vitally important is that fact that tobacco is a drug.b) One thing I believe to be absolutely pivotal is the ...
A.
正确
B.
错误
查看完整题目与答案
【单选题】患者男性，35岁，20天前因车祸致右股骨干骨折，经内固定手术治疗，2小时前突然出现呼吸困难，右侧胸痛，伴有小量咯血，自感恐惧不安，查体右肺有少量哮鸣音 该病人最可能的诊断是
A.
慢性阻塞性肺疾病
B.
支气管哮喘
C.
急性心肌梗死
D.
肺血栓栓塞症
E.
肺炎
查看完整题目与答案
【单选题】I prefer to eat vegetables ____, not cooked, because I believe that is better for my health.
A.
raw
B.
rawing
C.
rawed
D.
to raw
查看完整题目与答案
【单选题】与常规CT扫描相比,螺旋CT扫描的最大优点是:
A.
扫描速度快
B.
连续旋转
C.
X线管容量大
D.
容积扫描
查看完整题目与答案
【判断题】灭菌乳是指经加热至100℃温度，持续15分钟时间的杀菌过程后新制成的商品乳。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读理解。 I believe that my country, Poland, is a perfect example for a place where food is particularly important. When we were little children, we began to understand how much a loaf of bread meant to o...
查看完整题目与答案
【单选题】男性，22岁，飞机起飞前因座位上方行李滑下，致颅脑损伤入院2小时后，突然出现心跳、呼吸骤停，立即行人工复苏术，并实施电除颤 成人首次胸外除颤的电能为（ ）
A.
200J
B.
300J
C.
400J
D.
500J
E.
600J
查看完整题目与答案
【单选题】I believe that he is a____ person, so he will succeed in time. [     ]
A.
talented
B.
talent
C.
gift
D.
decided
查看完整题目与答案
【简答题】阅读理解。 I believe that my country, Poland, is a perfect example for a place where food is particularly important. When we were little children, we began to understand how much a loaf of bread meant to o...
查看完整题目与答案
相关题目：
【单选题】与常规 CT 扫描相比,螺旋 CT 扫描的最大优点是( )
A.
连续旋转
B.
扫描速度快
C.
为容积扫描
D.
X 线管容量大
查看完整题目与答案
【判断题】In the following pair of sentences, sentence a is more formal.a) One thing I believe to be vitally important is that fact that tobacco is a drug.b) One thing I believe to be absolutely pivotal is the ...
A.
正确
B.
错误
查看完整题目与答案
【单选题】患者男性，35岁，20天前因车祸致右股骨干骨折，经内固定手术治疗，2小时前突然出现呼吸困难，右侧胸痛，伴有小量咯血，自感恐惧不安，查体右肺有少量哮鸣音 该病人最可能的诊断是
A.
慢性阻塞性肺疾病
B.
支气管哮喘
C.
急性心肌梗死
D.
肺血栓栓塞症
E.
肺炎
查看完整题目与答案
【单选题】I prefer to eat vegetables ____, not cooked, because I believe that is better for my health.
A.
raw
B.
rawing
C.
rawed
D.
to raw
查看完整题目与答案
【单选题】与常规CT扫描相比,螺旋CT扫描的最大优点是:
A.
扫描速度快
B.
连续旋转
C.
X线管容量大
D.
容积扫描
查看完整题目与答案
【判断题】灭菌乳是指经加热至100℃温度，持续15分钟时间的杀菌过程后新制成的商品乳。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读理解。 I believe that my country, Poland, is a perfect example for a place where food is particularly important. When we were little children, we began to understand how much a loaf of bread meant to o...
查看完整题目与答案
【单选题】男性，22岁，飞机起飞前因座位上方行李滑下，致颅脑损伤入院2小时后，突然出现心跳、呼吸骤停，立即行人工复苏术，并实施电除颤 成人首次胸外除颤的电能为（ ）
A.
200J
B.
300J
C.
400J
D.
500J
E.
600J
查看完整题目与答案
【单选题】I believe that he is a____ person, so he will succeed in time. [     ]
A.
talented
B.
talent
C.
gift
D.
decided
查看完整题目与答案
【简答题】阅读理解。 I believe that my country, Poland, is a perfect example for a place where food is particularly important. When we were little children, we began to understand how much a loaf of bread meant to o...
查看完整题目与答案