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问题 填空题

6.895四舍五入保留两位小数后，约等于______．

答案

6.895≈6.90．

故答案为：6.90．

选择题
已知p：
2x
x-1
＜1，q：（x-a）（x-a-1）＞0，若p是q的充分不必要条件，则实数a的取值范围是（　　）
A．（-2，1）B．[-2，1]C．（-∞，-2]∪[1，+∞）D．（-∞，-2）∪（1，+∞）
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改错题
下列每句的画线部分中有一处错误，找出并改正。
(     )1. Manatees can eat 100 pound of food every day.
                A                B             C
(     )2. We should try our best to save these endanger animals.
                                     A            B                   C
(     )3. The boy like this animal because they are both strong and intelligent.
                          A                        B                     C
(     )4. I think animals should not keep in the cage.
                           A                         B              C
( )5. I was very surprise to see these animals kept in such small cages.
                                 A         B                           C

__________

__________

__________

__________

__________

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