1. (2019八上·罗湖期中) 阅读下列短文，从下面每小题的 A、B、C、D 四个选项中选出最佳选项。

    Several cars waited at the top of a slope ( 斜坡). As the whistle blew, the cars sped down the slope. Spectators (观众) cheered and clapped. But this was not a normal car race. The cars were made out of food.

    Students at Orefield Middle School in Pennsylvania, US, held the race early last month. They spent several weeks making their cars. The race was part of the school's STEMM class. STEMM stands for science, technology, engineering, math and medicine.

    The rules of the race were strict. The only non -food items allowed were toothpicks and popsicle sticks (冰棒棍). Some students used round bread or cookies for wheels. Some used a steak roll for the body.

    For some students, the most difficult part was not making the car, but trying not to eat the tasty food. "If you ate any of it, you got out," James Cipolla, 13, told The Morning Call.

    Cipolla worked with three other students on their car. They put a marshmallow ( 棉花糖) at the base of their car to help it move easily. But it melted during the race and didn't make it to the finals.

     "We still had fun anyway", said 14-year-old Andrew Maitski. "We learned about engineering and the basic parts of a car."

1. （1） What made the race special?

   A . The cars flew down a slope. B . Lots of people came to watch. C . The cars were made out of food. D . The race was part of STEMM class.
3. （2） What does STEMM stand for?

   A . Science, technology, English, math and medicine. B . Science, technology, English, music and medicine. C . Science, technology, engineering, music and medicine. D . Science, technology, engineering, math and medicine.
5. （3） What was the hardest part for some students according to Paragraph 4?

   A . The students had to use food to make their cars. B . The only non-food items allowed were toothpicks and popsicle sticks. C . The students couldn't eat the food they used to make their cars. D . The marshmallows they used melted during the race.
7. （4） What is the story mainly about?

   A . What STEMM stands for. B . A creative car race. C . What cars are made out of. D . How students felt about the race.