学生可以免做16–18题。
对于数学题，你可以用近似法省时间。
With mathematical problems, you can save time by approximating.
请根据以下文章回答第26至35题。
请根据你刚刚听到的短文，回答第16至18题。
Questions 16 to 18 are based on the passage you have just heard.
今天早上的考试中，最后四道题我答不上来，但前五道我答了。
During this morning's test, I couldn't do the last four questions, but I did the first five.
EdX评估工具要求教师或评分员首先给100篇论文或论述题进行评分。
The EdX assessment tool requires human teachers, or graders, to first grade 100 essays or essay questions.
梅特兰给出了一个理由：这一课题要求研究人员“掌握一套极其正式的答辩程序系统”。
Maitland offered one reason: the subject requires researchers to "master an extremely formal system of pleading and procedure".
回答第8到第12题。
直到她解出这道题，她才离开学校。
She didn't leave the school until she worked out this problem.
他很聪明，能很轻易地解出这道题。
他解出了一道如此难的数学题。
仔细想一想，你就能解出这道题。
Think it over, and you will be able to work out the problem.
这道数学题应该在半小时内解出来。
根据听到的录音回答第19至22题。
Questions 19 to 22 are based on the recording you have just heard.
迈克尔，你能帮我解出这道数学题吗？
Michael, could you please help me work out this math problem?
根据以下文章回答第51至第55题。
我们班里用桔子做算术题。
第19至21题基于你刚刚听到的短文。
Questions 19 to 21 are based on the passage you have just heard.
这道物理题太难了，很少有学生能做出来。
The physics problem is too hard, so few students can work it out.
根据你所听到的录音，回答第23至25题。
Questions 23 to 25 are based on the recording you have just heard.
请根据刚才所听的文章回答第22到25题。
Questions 22 to 25 are based on the passage you have just heard.
这道数学题很简单，学生们很容易就能解出来。
The math problem is so easy and the students can solve it easily.
根据你所听到的短文内容回答第12至第15题。
Questions 12 to 15 are based on the passage you have just heard.
迈克打电话给我时，我正在和乔讨论一道数学题。
I was discussing a math problem with Joe when Mike called me up.
经过三个月的研究，科学家们解出了这道物理题。
After three months' study, the scientists worked out the physics problem.
经过三个月的研究，科学家们解出了这道物理题。
After three months' study, the scientists worked out the physics problem.
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