单项选择题A.itB.usC.oneD.you
单项选择题A.priceB.levelC.costD.if
单项选择题A.to buyB.buyingC.having boughtD.from buying
单项选择题A.onB.byC.atD.against
单项选择题The true cause of the anxiety of the workers is that______.
单项选择题By a well-oiled cog in the machinery the author intends to render the idea that man is ______.
单项选择题The author's attitude towards industrialism might best be summarized as one of______.
单项选择题To solve the present social problems the author suggests that we should______.
单项选择题From the passage we can infer that real happiness of life belongs to ______.
单项选择题On the basis of their models, scientists are of the opinion that______.