What is NOT the advantage of people with greater optimismaccording to the lecture?
A. They tend to have better health and live longer.
B. They appear to make people happier.
C. They are better gamblers.
D. They are helpful in the work environment.
查看答案
Which is true about pessimistic people according to the lecture?
A. Pessimists have little control over their determination.
B. Pessimists have a welcome trait for entrepreneurs.
C. Pessimists are more likely to start smoking again sooner.
D. Pessimists like to take chances.
What is advisable for viewing situations according to the speaker?
A. Having an optimistic outlook.
B. Having a pessimistic outlook.
C. Having a more optimistic view at the beginning.
D. Having a more pessimistic view at the beginning.
String对象的常用属性有几个
A. 1
B. 2
C. 3
D. 4
下面关于String对象描述正确的是
A. String对象需要先实例化才能使用
B. String对象的toLowerCase()方法获取大写方式
C. String对象有5个方法
D. String对象是自定义的对象
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