Even with the new development in research, only a tiny ________ of all tests are done without using animals.
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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。
Even with the new development in research, only a tiny ________ of all tests are done without using animals.
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。
There was so much noise that the speaker couldn ’t make himself ________.
makesbdone:使某人被…句意:嘈杂声那么大,以至于听众无法听清演讲者的话。
They ________ extensive and possibly dangerous actual flight training.
句意:他们经历了大量的并且可能是危险的实际飞行训练。
—Why didn ’t you buy a new car?
—I would have bought one if I _______ enough money.
第一个had是过去完成时,第二个had表示“有”。
Don’t trust everything ________ you have read in the newspapers.
In our department, every student _________ after-school activities.
________, what could we do?
________ Tom has done really amazed everyone in his class.
They wrote a letter of thanks to ________ had helped them.
According to the Grammar-Translation Method, Latin grammar was considered to be the ______ grammar.
Which of the following techniques is NOT used in the Grammar-Translation Method?________