题目内容
For the first time,at least 1. (official) , the NASA astronauts on board the International Space Station have tasted the product,lettuce (莴苣) , of their work.
The experiment,2. (call) Veg-01,is being used by NASA to study the on-orbit function and performance of the Veggie plant growth facility and its rooting “pillows,” 3. contain the seeds. The pillows grew for 33 days before 4. (harvest) .
NASA is developing Veggie as part of 5. (it) efforts to provide future astronauts with a sustainable(可持续的) food supply. Scientists believe that the 6. (addition) fresh food grown on the station will make the crew generally happier and healthier.
The Veggie unit features a flat panel light bank that includes red,blue and green LED lights. Blue and red wavelengths 7.(be) the minimum needed to get good plant 8. (grow) . The green LED lights help make the plants look like common food rather 9. strange purple plants.
In 10. future,Veggie could be used to harvest other fruits,vegetables and plants.
1. officially。考查副词。设空处修饰 整个句子，故填副词。
2. called。考查过去分词作定语的用 法。call与experiment之间为逻辑 上的动宾关系，故填called。
3. which。考查关系词。设空处引导 非限制性定语从句修饰pillows,且 在从句中作主语，私填wfiich。
4. being harvested。考查动词-ing 形乍宾语的用法。介词before后跟 动词-ing 形式，且 harvest 与 pillows 之间为逻辑上的动宾关系，故填 being harvested。
5. its。考查代词。设空处修饰名词， 故用形容词性物主代词。
6. additional。考查形容词作定语的 用法。设空处修饰food,故用形容词形式。
7. are。考查一般现在时及主谓一 致。此处描述客观事实，且主语是 复数，故填are。
8. growth。考查名词。设空处作get 的宾语，且之前有good plant ,故填 growth。
9. than。考查介词。rather than意为“而不是”。
10. the。考查定冠词。in the fUture 意为“将来”。
