D,
是By the time的句型,后面有WILL了前面不用将来时,By the time有表示什么之前的意思,将来时的前面就是现在时.
值域是负无穷到正无穷（X不等于零）.先求导数y=1+1/x2,可知道导数值恒大于零,在X不等于零的情况下恒为增函数.当X分别取正负无穷大时,该函数的Y值也为无穷大.可以画出图线,这个题目就会一目了然.
第八题英语By the time you（ ）you have made the wrong decision,it w
0
0
4个回答
更多回答
相关问题
-
It is the third time ______you have made the same mistake可以用00
-
同一句转换Will you go there by bus?Have you made a decision?-Have00
-
If you do things at the wrong time of the year,you will have00
-
It was in time of danger_____he made the final decision_____00
-
一道高中定语从句（要解析）It is the second time ______ you have made such00
-
It is the third time that you have been late for work this w00
-
You're made the same mistake ___ you made last time00
-
You should (keep) the appintment once you have (made) it .为什00
-
Remember how it made you feel,and you will have the strength00
-
i shall have finished writing the article by the time you ge00