【单选题】StringBuffer类和String类的区别
A.
String类表的内容和长度都是无法改变的,StringBuffer的内容和长度可以随时修改。
B.
String类覆盖了equals()方法,而StringBuffer类没有覆盖equals()方法
C.
String类对象可以用操作符“+”进行连接,而StringBuffer类对象之间不能
D.
String对象有存储空间,StringBuffer对象没有存储空间
【单选题】下列关于数据仓库Hive说法正确的是()
【单选题】What is the meaning of the word "controversial" in paragraph1?
A.
Not right or fair according to a set of rules.
B.
Separate and individual
C.
Causing a lot of angry public discussion and disagreement
D.
Having or showing no interest in sth.
【单选题】男,65岁,慢性咳嗽咳痰20年。4天前受凉后咳嗽加重,痰量增多,咳黏脓痰。体检最可能发现
【简答题】男,65岁,慢性咳嗽咳痰20年。4天前受凉后咳嗽加重,痰量增多,咳黏脓痰诊断慢支急性发作期的依据是A、年龄大于60岁 B、咳嗽、咳痰 C、痰呈黏脓性 D、咳加重,痰量增多4天 E、肺部有啰音 体检最可能发现A、两肺呼吸音增强 B、肺尖部湿啰音 C、散在干湿啰音 D、肺底部捻发音 E、局限固定哮鸣音 此时最合理的治疗A、免疫治疗 B、中药治疗 C、抗炎祛痰 D、解痉平喘 E、补充电解质
【单选题】According to Paragraph1, Parkrun has __________.
A.
gained great popularity
C.
strengthened community ties
D.
become an official festival
【单选题】What was the objective of the research mentioned in Paragraph1?
A.
to analyze students’ learning strategy
B.
to measure the impact of employment on student achievement
C.
to discuss students’ college life
D.
to state the advantages of doing part-time job