But can you imagine printing food？Some scientists are trying to make 3 D food printing used widely.They hope that having a 3 D printer in the kitchen will become as common as the blender or microwave. Using 3 D printers to make your meals would also be saving the environment.There would be less need for traditional growing and it would be quicker and better.For example，tree leaves could be turned into delicious food!Printing food could help people who have trouble eating.That's the reason why we should use3 D food printing. However，some people think that a future of 3 D-printed food would be bad.There are many disadvantages(缺点).First，it could take away many jobs，including those for growing，and sending food.Second，imagine a world could be printed from an uncooked "food ink".Traditional cafes and restaurants might lose business，too.Lastly，there are worries about the healthy value(价值) of printed food？ As we know，cooking and eating together with family and friends has been an enjoyable activity.I think cooking food is more enjoyable than printing food.(1)The second paragraph mainly tells us ______.A.some scientists are trying to make 3 D food printing used widelyB.there are many ways of printing food on the 3 D printerC.3 D food printing has become very common in the kitchenD.we can change our recipes(菜谱) by 3 D food printing(2)The writer gives the example in Paragraph 3 in order to ______.A.show us how 3 D food printing worksB.let us understand when to use 3 D food printingC.tell us why we should use 3 D food printingD.help us to know what we can use to print food(3)How many disadvantages of 3 D food printing are mentioned(提到) from the last two paragraphs？ ______A.Two.B.Three.C.Four.D.Five.(4)What is the writer's opinion about 3 D food printing？ ______A.3 D-printed food is delicious and necessary.B.It is difficult to understand 3 D food printing.C.ooking food is more enjoyable than printing food.D.It is happy to see the change of the dining experience.

3 D printing is becoming more and more popular.We are now able to print things such as clothes，musical instruments(乐器) and even cars.People and businesses are able to make the things they need very quickly and easily by using 3 D printers.
    But can you imagine printing food？Some scientists are trying to make 3 D food printing used widely.They hope that having a 3 D printer in the kitchen will become as common as the blender or microwave.
    Using 3 D printers to make your meals would also be saving the environment.There would be less need for traditional growing and it would be quicker and better.For example，tree leaves could be turned into delicious food!Printing food could help people who have trouble eating.That's the reason why we should use3 D food printing.
    However，some people think that a future of 3 D-printed food would be bad.There are many disadvantages(缺点).First，it could take away many jobs，including those for growing，and sending food.Second，imagine a world could be printed from an uncooked "food ink".Traditional cafes and restaurants might lose business，too.Lastly，there are worries about the healthy value(价值) of printed food？
    As we know，cooking and eating together with family and friends has been an enjoyable activity.I think cooking food is more enjoyable than printing food.
(1)The second paragraph mainly tells us  ______.
A.some scientists are trying to make 3 D food printing used widely
B.there are many ways of printing food on the 3 D printer
C.3 D food printing has become very common in the kitchen
D.we can change our recipes(菜谱) by 3 D food printing
(2)The writer gives the example in Paragraph 3 in order to  ______.
A.show us how 3 D food printing works
B.let us understand when to use 3 D food printing
C.tell us why we should use 3 D food printing
D.help us to know what we can use to print food
(3)How many disadvantages of 3 D food printing are mentioned(提到) from the last two paragraphs？ ______
A.Two.
B.Three.
C.Four.
D.Five.
(4)What is the writer's opinion about 3 D food printing？ ______
A.3 D-printed food is delicious and necessary.
B.It is difficult to understand 3 D food printing.
C.ooking food is more enjoyable than printing food.
D.It is happy to see the change of the dining experience.