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.

[单选题]In what way was the blackout of 1977 different from that of 1965?A． There was much more disorder.B． This time the electricity supply failed.C． People did not expect it.D． Fewer people were arrested in the blackout of 1977.

[单选题]What problems are caused by too much homework?A． Get fat.B． Fight with each other.C． Feel stressed and get shortsighted.

[单选题]What has caused the chronic organ shortage?［A］ a decrease in donation rates. ［B］ inefficient governmental policy.［C］ illegal trade in human organs. ［D］ news media’s indifference.

[单选题]22． What problems are caused by too much homework?A． Feeling stressed and fighting with each other．B． Feeling tired of study and getting fat．C． Feeling stressed and getting short-sighted．D． Getting short-sighted and feeling tired of study．

[单选题]July A. diary B. energy C. reply D. daily

[单选题]The accident was caused by ______.A． the driver of the first carB． the driver of the second carC． the driver of the third carD． both B and C

[单选题]H．ow long did the New York blackout in 1977 last?A． A whole night.B． Twenty-four hours.C． A whole week.D． Three days.

[单选题]The shipment time is June or July atour（）and the good swill be shipped in one（）.A . choice，shipmentB . option，lotC . decision，cargoD . option，consignment

[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