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【单选题】
在采用PI调节器组成的气缸冷却水温度控制系统中,温度给定值是74°C,系统受到扰动后达到稳态时温度表指针指在72°C上,其原因是( )。
A.
比例带PB调得太小
B.
比例带PB调得过大
C.
积分时间Ti整短
D.
积分作用被切除
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【判断题】Now, English is used as the first language and official language in Singapore.
A.
正确
B.
错误
【单选题】how many people was the test done in Rumania with?
A.
150
B.
50
C.
60
【简答题】Perhaps the only test score that I remember is the 41. I was in high school. The test was the final for the class. It was a rather 36 test. I didn’t know how 37 I had done but I knew there were things...
【简答题】The test was done in (1) , with (2) people in each group who are (3) years old. The people in the first group were given (4) . A (5) was given to the second group and a (6) was given to the...
【单选题】地下铁道交通单向客流量( )万人次/h左右。
A.
1
B.
2
C.
3
D.
4
【单选题】以下哪项符合休克代偿期临床表现的特点
A.
血压下降,脉压显著缩小,心率加快,尿量减少
B.
血压下降,脉压轻度缩小,心率加快,尿量减少
C.
血压下降,脉压无变化,心率加快,尿量正常
D.
血压轻度下降,脉压无变化,心率加快,尿量减少
E.
血压正常或稍高,脉压缩小,心率加快,尿量正常或减少
【单选题】以下哪项符合休克代偿期临床表现的特点
A.
血压下降,脉压显著缩小,心率加快,尿量减少
B.
血压下降,脉压轻度缩小,心率加快,尿量减少
C.
血压正常的,脉压无变化,心率加快,尿量正常
D.
血压轻度降低,脉压无变化,心率加快,尿量减少
E.
血压正常或稍升高,脉压缩小,心率加快,尿量正常或减少
【简答题】Another test was done with slightly older infants at bedtime. In some groups the room was silent; in others recorded lullabies were played. In others a ticking metronome was operating at the heart-bea...
【简答题】section B Questions 8 to 11 are based on the conversation you have just heard. 8. A)He's got addicted to technology. B)He is not very good at socializing. C)He is crazy about text-messaging. D)He does...
【简答题】second language
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