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搜题
【单选题】
关于腔隙性脑梗死的表述,哪错误的( )
A.
系由深部皮质小动脉闭塞所致
B.
中老年人常见
C.
CT表现低密度缺血灶,10~15mm大小
D.
MRI表现长T1和长T2信号异常
E.
MRI对腔隙性脑梗死灶十分敏感
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【判断题】电位器式传感器的动触点和线圈有摩擦力是其主要缺点之一
A.
正确
B.
错误
【多选题】煤的元素分析包括( )
A.
B.
C.
D.
【简答题】What is the main characteristic of the musical plane?A. It can only be experienced by people who have studied to read music. B. It is the ability to experience different musical elements. C. It is the...
【判断题】(What to Listen for in Music) Musical listening is actually done on the three planes simultaneously. ()
A.
正确
B.
错误
【单选题】What is important for reaching daily musical goals?
A.
Tell the children to practice 12 minutes.
B.
Tell the children to practice 40 minutes.
C.
The children know the musical goal of each daily practice time.
【判断题】电容式传感器的优点有小功率低阻抗,缺点主要是输出非线性。
A.
正确
B.
错误
【单选题】What is important for reaching daily musical goals?
A.
Tell the children to practice 12 munutes.
B.
Tell the children to practice 40 munutes.
C.
The children know the musical goal of each daily practice time.
【单选题】下列哪一项是金属电阻应变式传感器的主要缺点( ) A、 非线性明显 B、灵敏度低 C、准确度低 D、响应时间慢
A.
a
B.
b
C.
c
D.
d
【单选题】According to the speaker, what is NOT a feature at this place?
A.
A flower clock.
B.
A musical fountain.
C.
A live band.
D.
A boat ride.
【判断题】电容式加速度传感器的缺点主要是输入输出线性对应、量程有限。
A.
正确
B.
错误
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