锅炉过热器出口处的蒸汽参数和再热器出口处的蒸汽参数相比，一般压力()，温度()
A. 相同、不同
B. 不同、相同
C. 相同、相同
D. 不同、不同
Speaker A: Could I get a ride with you to the concert tonight？ Speaker B:I cant go,______.
A. but you might ask Betty
B. neither can Betty
C. and Betty is going to
D. but I don"t know if Betty will go
临床实验室定量分析测定结果的误差应该是
A. 愈小愈好
B. 先进设备
C. 室内质控
D. 在允许误差内
E. 质控试剂
What can we infer from the last paragraph？
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
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