1/5单选题
难度：
1.
如图中长方形面积（ ）平行四边形的面积.
| A | 大于 |
| B | 小于 |
| C | 等于 |
| D | 不能确定 |
- 提示1：
- PHA+5ZCM5bqV562J6auYPC9wPg==
正确答案：Qw==
PHA+6KejOuS4pOS4quWbvuW9ouetieW6leetiemrmO+8jOmdouenr+ebuOetiTwvcD4=
2/5单选题
难度：
2.
如图，矩形ABCD的面积是16，EF过矩形ABCD对角线的交点O，且分别交AB，CD于E，F，那么阴影部分的面积是（ ）
| A | 2 |
| B | 3 |
| C | 4 |
| D | 5 |
- 提示1：
- PHA+5qC55o2u55+p5b2i55qE5Lit5b+D5a+556ew5oCn77yM6L+Q55So5Lit5b+D5a+556ew5Zu+5b2i55qE5oCn6LSo77yM5piT55+l6Zi05b2x6Z2i56evPeS4ieinkuW9okFPQuaIlkNPROeahOmdouenry48L3A+
正确答案：Qw==
PHA+6Kej562U77ya4oi155+p5b2i5piv5Lit5b+D5a+556ew5Zu+5b2i77yM5a+556ew5Lit5b+D5piv5a+56KeS57q/55qE5Lqk54K5T++8jDxicj7iiLTilrNCT0XiiYzilrNET0YuPGJyPuKItOmYtOW9semdouenrz3ilrNBT0LnmoTpnaLnp689PGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzY5LzBFL3JCQUNGRk9aVHRPVHNWRjJBQUFCS1JxaTBHazg3Ni5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjkvMEUvckJBQ0ZGT1pUdE9Uc1ZGMkFBQUJLUnFpMEdrODc2LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjYiPsOXMTY9NC48YnI+5pWF562U5qGI5Li6QzwvcD4=
3/5单选题
难度：
3.下列平行四边形中，其图中阴影部分面积不一定等于平行四边形面积一半的是（ ）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWIhuWIq+iuoeeul+aOqOWvvA==
正确答案：RA==
6Kej77yaQeOAgULjgIFD6YO95piv5LiA5Y2K77yMROS4jeaYrw==
4/5单选题
难度：
4.
如图，在矩形ABCD中，对角线AC、BD的交点为O，矩形的长、宽分别为7cm、4cm，EF过点O分别交AB、CD于E、F，那么图中阴影部分面积为（ ）
| A | 12 |
| B | 14 |
| C | 16 |
| D | 18 |
- 提示1：
- PHA+5LiJ6KeS5b2iQU9F55qE6Z2i56ev562J5LqO5LiJ6KeS5b2iQ09G55qE6Z2i56evPC9wPg==
正确答案：Qg==
PHA+6Kej77ya4oi1QUJDROS4uuefqeW9ojxicj7iiLTkuInop5LlvaJCQ0TnmoTpnaLnp6/nrYnkuo7nn6nlvaLnmoTpnaLnp6/nmoTkuIDljYo8YnI+5Y+v5b6X5LiJ6KeS5b2iQU9F55qE6Z2i56ev562J5LqO5LiJ6KeS5b2iQ09G55qE6Z2i56evPGJyPuaJgOS7pemYtOW9semdouenr+etieS6jjTDlzfDtzI9MTQ8YnI+6YCJQjwvcD4=
5/5单选题
难度：
5.
如图，△ABC的面积是10，点D、E、F（与A、B、C不同的点）分别位于AB、BC、CA各边上，而且AD=2，DB=3，如果△ABE的面积和四边形DBEF的面积相等，则这个相等的面积值为（ ）
| A | 4 |
| B | 5 |
| C | 6 |
| D | 7 |
- 提示1：
- PHA+5bey55+l4pazQUJD55qE6Z2i56ev5pivMTDvvIzopoHmsYLilrNBQkXnmoTpnaLnp6/vvIzlj6rpnIDmsYLlvpdCRe+8mkJD55qE5YC877yM6L+e5o6lREXvvIzmoLnmja7lt7Lnn6Xlm77lvaLnmoTpnaLnp6/lhbPns7vvvIznu5PlkIjnrYnlvI/nmoTmgKfotKjvvIzov5vooYzovazmjaLvvIzlj6/ku6Xor4HmmI5EReKIpUFD77yM5LuO6ICM5qC55o2u5bmz6KGM57q/5YiG57q/5q615oiQ5q+U5L6L5a6a55CG6L+b6KGM5rGC6KejLjwvcD4=
正确答案：Qw==
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