Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
A、varietyD
本句的意思是：“即使研究有了新的发展， 只有一小部分的试验可以不用动物” 。因此答案为 D。variety 和 plenty 分别表示“多样”和“大量的”，意思不合适。 amount 后只能接不可数名词，而 test 是可数名词。
Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
I’vegottheorderfromthebossthatthework_______finishedbefore5p.m.today.
Canyouofferusmachinetools___thefollowingspecification?
The ultimate goal of learning a foreign language in a Grammar-Translation classroom is to enable the students to ______ its literature.
According to the Grammar-Translation Method, Latin grammar was considered to be the ______ grammar.
