题目内容
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Palm oil(棕榈油) is the most widely used vegetable oil worldwide．It’s found in a wide variety of products from of vitamins to chocolate and bread．1. The former makes it easy to spread，while the latter makes it good for our body．
But the oil’s popularity comes at a high price．2. As a result，thousands of acres of rainforests in Indonesia，the world’s biggest palm oil producers，are being destroyed to make room for them．
With half of the world’s palm oil coming from Indonesia，orangutans(猩猩) have suffered a lot．3. What’s worse，in 2015，wildfires endangered one-third of the remaining orangutans．Palm oil farms have also threatened tigers and elephants and caused water and air pollution．
4. However，it’s not easy given that no other natural vegetable oil has both of its qualities．Now，scientists are creating a new oil to replace it by using food waste and M．pulcherrima，a yeast(酵母) that grows on leaves，fruits and flowers．5. Besides, the yeast can be widely produced in any weather．The scientists say their biggest challenge was to find a cheap way to change the sugars in the food waste to a form that the yeast can take in easily．The team is now trying to test if they can produce the oil at a lower cost．
A．Palm trees need lots of land to grow．
B．The easiest solution is to stop using palm oil so widely．
C．The palm oil is so expensive that many families can’t afford it．
D．In the last 20 years，over 80% of their habitat has been destroyed．
E．There are many things we can do to protect the endangered wild animals．
F．The oil is popular because it has a high melting point and contains healthy fats．
G．It eats the sugars from the waste and turns it into thick oil that has similar qualities to palm oil．
