9808语法12题 ——that distinguish human beings from mother primates are related to the abi lity of people to stand upright and walk on two legs. (A) Many of the physical characteristics (C) The physical characteristics
正确选项是(A),但是(C)到底错在什么地方呢?
9808语法18题 Because the diamond is the hardest (naturally )substance, it is used in B industry for (to cut), grinding,and boring other hard materials. C
0408语法39题 (During first) ten years of the Space Age, which began in 1957, more than A 500 artificial satellites were rocketed (into orbit) around the Earth. D 这题给的参考答案是A,是不是first前要有定冠词the呢? 但是我觉得D也有问题啊,orbit在这里的词性是什么呢?如果是n,本身又是可数,那应 该用复数orbits的形式啊;如果是动词,into是介词,那就应该用动名词orbiting的形式 啊