船舶机械具有良好的可维修性，将会使（）。
A．损坏的零件容易拆卸和更换
B．故障容易发现
C．效率提高
D．效益提高
参考答案：A
英汉互译 阅读下面的短文，将划线部分的句子译成汉语或英语。（共5个小题，每小题1分）
Rich or poor, young or old, we all have problems.小题1:We should learn how to deal with our problems. Here are some ways.
Firstly, we should learn to forget.小题2:有时我们会生朋友的气。Good friendships may be lost. Sometimes children have disagreements and decide not to talk to each other.小题3:However, this usually does not last for long. This is an important lesson for us: we can solve a problem by learning to forget.
Secondly, we should regard problems as challenges. Many students often complain about school.小题4:他们有太多的作业要做。They think the rules are too strict. Education is an important part of our development. As young people, it is our duty to try our best to deal with each challenge with the help of our teachers.
Don’t worry about our problems.小题5:Let’s face the challenges.
普通光学显微镜最高可分辨（）。
A.0.1μm
B.0.2μm
C.0.3μm
D.0.4μm
E.0.5μm
Rich or poor, young or old, we all have problems.小题1:We should learn how to deal with our problems. Here are some ways.
Firstly, we should learn to forget.小题2:有时我们会生朋友的气。Good friendships may be lost. Sometimes children have disagreements and decide not to talk to each other.小题3:However, this usually does not last for long. This is an important lesson for us: we can solve a problem by learning to forget.
Secondly, we should regard problems as challenges. Many students often complain about school.小题4:他们有太多的作业要做。They think the rules are too strict. Education is an important part of our development. As young people, it is our duty to try our best to deal with each challenge with the help of our teachers.