还没有登录哦！
[Issue Essay]
试题详情
题目：
Analytical!
选项:
答案:
提问：
For some birds the sense of smell appears to paly a role in navigation, since pigeons with surgically removed olfactory nerves ( were found to have increased difficulties ) in homing.
A. were found to have increased difficulties
B. have been found to have increased difficulty
C. were found to have increasing difficulty
D. had been found to have increased difficulties
E. have been found to have increasing difficulties
答案是B，我选的A。不明白为什么要用现在完成时，而且感觉困难应该是复数。麻烦老师讲解。
解答：
点赞0
阅读355689
提问：
求解
解答：
点赞0
阅读430453
提问：
有个洗车行，洗一辆车是 8 块，一个天能挣 200 元。然后打算加价，但是每增加 0.5块，就会减少 10 个顾客，问公式表达收入。答案有 200+(p-8)*0.5/10; 200+(p- 8)*10/0.5; 200-(p-8)*0.5/10 之类的。
感觉上面的答案不对
解答：
点赞0
阅读430497
提问：
机经课上没有讲的几何
解答：
点赞0
阅读430561
提问：
请问
解答：
点赞0
阅读430953
提问：
请教老师
解答：
点赞0
阅读431508
提问：
请问老师
解答：
点赞0
阅读434750
提问：
请问老师
解答：
点赞0
阅读437831
提问：
请问
解答：
点赞0
阅读439150
提问：
请问
解答：
点赞0
阅读441162
提问：
请问
解答：
点赞0
阅读451419
问个问题
注册太麻烦？点这里查看免费答疑吧！
博币不足
加"GMAT小百科"小智微信
直接送200
