Question

   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.

Answer 1

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”。