组距分组是( )的整理方法。
A.离散变量 B.分类数据C.顺序数据 D.数值型数据
参考答案:D
填入一个适当的词补全对话,每空一词。
A: Hello, Huiyan. Are you free this Saturday?
B: Yes. What's up?
A: We plan to go out for a picnic. Why 1 come with us?
B: Good idea! By the way, what need I take?
A: Some useful things, 2 as foods, drinks, an umbrella and so on. Remember to wear sunglasses.
They can protect your eyes.
B: It's really kind 3 you. Besides, 4 and where should we meet?
A: Let's meet at 7:30 a.m. outside Harbin Amusement Park, shall 5 ?
B: Great! See you tomorrow.
A: See you.
患者,女性,64岁,口角及黏膜疼痛不适,影响进食活动。已配戴全口义齿两年,经检查确诊为义齿性口炎和念珠菌性口角炎,下列治疗措施不妥的是()
A.2%小苏打溶液含漱
B.口服西地碘
C.口服制霉菌素
D.口服氟康唑
E.口服泼尼松