The accident was caused by ______.

A． the driver of the first car

B． the driver of the second car

C． the driver of the third car

D． both B and C

[单选题]The driver who caused the accident ______.A． drove very, very fastB． killed another driverC． killed himselfD． both A and C

[单选题]The forest fire caused by the volcano is difficult to be______.A． put offB． put onC． put outD． put up

[单选题]A．n error can be caused by attempting to divide by 0．A．InterruptB．DefaunC．UnderflowD．Overflow

[单选题]:An error can be caused by attempting to divide by0．A．InterruptB．DefaultC．UndertowD．Overflow

[单选题]A．n error can be caused by attempting to divide by 0．A．InterruptB．DefaultC．UnderflowD．Overflow

[单选题]The emulsion of the oil is mainly caused by （）.A . the solid impurities of large particleB . the solid impurities of fine particleC . the water contentD . both water and solid impuritie

[单选题]The above mentioned condition was caused （　）the process of manufacturing.A .inB .ofC .toD .for

[单选题]On the day of the accident, part of the old road ______.A． was damagedB． was broadened to make traffic easierC． was under repairD． was closed to cars

[单选题]It was not untilthe accident happened _____.A.when I became aware of myfool

[单选题]What caused the blackout in July 1977?A． During a storm, lightning damaged cable.B． Because of unemployment.C． Heat waves had made people use too much electrical power.D． Because the looters damaged the electricity supply.