[判断题]用人单位必须采用有效的职业病防护措施,并为劳动者提供个 人使用的职业病防护用品。
A.正确
B.错误

Passage Two
Questions 29 to 31 are based on the passage you have just heard.
29-31
If you are someone who tends to focus on the negative, [29]thinking positively may be a new skill for you. One way to keep a positive attitude about yourself is by writing down and saying several sen-
tences. The sentences should be strong, supportive statements about yourself such as "I am a confident and capable person who can handle challenges." It’s hard to feel defeated when your serf-talk is positive. Another technique for reducing stress is positive finages. When confronted with a problem, [30]try to imagine the outcome that you want. This technique is used by sport professionals with tremendous success. You too can champion your cause by mentally picturing positive results. Sometimes people are faced with unfortunate circumstances that can not be changed. In these instances, it may help to [31] think about some of the assets a
A. We can imagine we are a sport professional.
B. We can imagine our cause.
C. We can imagine a beautiful picture.
D. We can imagine the outcome that we want.