He must use this surplus in three ways: as seed for sowing, as an insurance __43__ the unpredictable effects of bad weather and as a commodity which he must sell in order to __44__ old agricultural implements and obtain chemical fertilizers to __45__ the soil.
The speaker who does not have specific words in his working vocabulary may be __49__ to explain or describe in a __50__ that can be understood by his listeners.
但同学们应该怎么做呢?很明显,冠词the提示这里是一个名词短语,空格前面有两个形容词,空格处应填写一个名词。不认识的形容词可以划去,句子就变成了that the newspaper became the _______ ,再看选项。[A]means(手段 方法),[B]method(方法),[C]medium(媒体,方法,媒介),[D]measure(测量,尺度,测量的方法),又是部分同意选项,因为每一个单词都有“方法”的意思。但是,medium除了“方法”的意思之外,还有“媒体”的意思。很明显,报纸是一种媒体。