第5题: [单项选择]在钢筋混凝土梁中,箍筋()。 A. 半径不宜大于3mm B. 直径不宜大于4mm C. 半径不得小于5mm D. 直径不宜小于6mm 参考答案:D
第6题: [单项选择]Few people realize ______. A. how quickly many species of cacti are becoming extinct B. how quickly much species of cacti is becoming extinct C. how quickly are many species of cacti becoming extinct D. how quickly is much species of cacti becoming extinct 参考答案:A 答案解析:句意:几乎没人意识到仙人掌物种的消失速度之快。species是可数名词,故排除B项和D项;根据感叹句的句型排除C项。
A. Machine translation of documents. B. Desktop PC software translation programs. C. Machine translation of programs on the net. D. Translation services on the net. 参考答案:D 答案解析:按照本文的第二段的第一句:Right now it is possible to arrange machine translation of documents for some languages
第24题: [单项选择]A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from(). A. filling completely B. developing free surface C. developing free surface moment D. collapsing 参考答案:A