第6题: [单项选择]The development of the transistor and integrated circuits revolutionized the electronics industry by allowing components to be packaged more densely. A. compactly B. inexpensively C. quickly C. carefully 参考答案:A 答案解析:[解析] densely:密集地;浓厚地。与compactly(紧密地;紧凑地)意思相近。We should store food more compactly in the refrigerator
第18题: [单项选择]导致趾及足跖屈无力的是() A. 腰4~5腰椎间盘突出 B. 腰3~4腰椎间盘突出 C. 腰1~2腰椎间盘突出 D. 腰2~3腰椎间盘突出 E. 腰5~骶1椎间盘突出 参考答案:E 答案解析:腰3~4腰椎间盘突出压迫腰4神经根时,可出现膝前及小腿中上段前内侧皮肤麻木、伸膝无力、膝反射减弱或消失;腰4~5腰椎间盘突出压迫腰5神经根时,可出现小腿外侧或足背内侧皮肤麻木,跖趾背伸力降低;腰5-骶