二、判断题(共 10 道试题,共 20 分.)
题目
二、判断题(共 10 道试题,共 20 分.)
V
1. Eating food rich in carbohydrates before a race is common among marathon runners,all of them need reliable energy sources for peak performance.A.错误B.正确满分:2 分2. In such areas as sports,ranking of individual performances are relatively well accepted since the parameters on which the rating is based are generally objective.A.错误B.正确满分:2 分3. This plant needs watering twice a week.A.错误B.正确满分:2 分4. They were rushing towards the building when they suddenly aware that they were to deal with an armed smuggler.A.错误B.正确满分:2 分5. One kilo is equivalent to 1000 grams.A.错误B.正确满分:2 分6. They liked to do one thing at one time and something else at another time or at another way.A.错误B.正确满分:2 分7. Despite the wonderful acting and great stars,the two-hours movie couldn't hold the audience's attention.A.错误B.正确满分:2 分8. He longed for days
答案
A
B
B
A
B
A
B
B
B
B
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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