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任务型阅读
    Developing good study habits isn't easy.____ In this way, you'll become more and more successful as a student.
    Start by allowing no interruptions____You have to give 100 percent of your attention to your work. Don't allow yourself to be distracted by friends or fellow students. Keep your goal in mind; know what you have to do and when it needs to be done. Don't let other people influence you into not doing your work.
    ____If you study best in the morning, plan to do your hardest subjects first. Remember not to leave today's work till tomorrow. A delay like this is called procrastination. If you delay for any reason, you'll find it more and more difficult to get things done when you need to. You may rush to make up the time you wasted getting started, resulting in careless and error-filled work.
Another good way to study is to take part in partnered and group-study sessions. These allow students to share ideas, and help each other deal with difficult material____
    Forming good study habits can be difficult at first, and requires energy and a strong will, But if you commit yourself to it, success will be yours____By doing so, you will know that you have tried. If you are satisfied with what you've done and know that you have tried your best, your grade will be the icing on the cake.
A. Always give your best in the classroom and in study sessions.
B. It's impossible to study while chatting or watching TV.
C. Figure out when you're most productive.
D. You may do well enough but maybe you can hardly achieve your goal easily.
E. Putting off your task for any reason can make it difficult to finish on time.
F. But start with a plan, put in a lot of hard work, and studying will become easier.
G. In addition, learning among students is a good way of getting a firmer grasp of the material.

从左到右填写准确的商和估算的商.

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环境保护

 “两会”期间，土壤污染治理受到了热议。全国人大环资委副主任委员袁驷称，环保部已经出台了“大气十条”、“水十条”，即将出台实施“土十条”。最近的一份全国性土壤状况调查报告指出，我国土壤环境状况总体不容乐观。全国土壤污染超标率达16．1%，其中耕地污染问题最为突出，土壤点位超标率达19．4%。分析土壤污染物来源及土壤污染的治理措施。

下列句子没有语病的一句是（）