Wild dogs are dangerous predators because they ______.

A． are very fierce

B． hunt in large packs

C． are very intelligent

D． have unusually large litters

[单选题]--Areyougoingtotheparty?--No,becauseI______.A．haveaskedB．haven'taskedC．havebeenaskedD．haven'tbeenasked

[单选题]H．e committed a mistake in leaving because his wife still wanted to sing karaoke in the parlor.A．revengeB．reproachC．blunderD．scandal

Many people depended on guard dogs， more_described as attack dogs， for their per

[单选题]___elephantsaredifferentfromwildelephantsinmanyaspects,includingtheirtempers.A)CultivatedB)RegulatedC)CivilD)Tame

[单选题]Some people dislike fairy stories because they feel that they ______.A．) tempt people to be cruel to childrenB．) show the primitive cruelty in childrenC．) lend themselves to undesirable experiments with childrenD．) increase a tendency to sadism in ch

[单选题]Dogs are not [permitted]into the office.A.probablyB.possibleC.promotedD.all

[单选题]Dogs are not [permitted]into the office.A.probablyB.possibleC.admittedD.all

[单选题]9．—_________ does she like blue?—Because the color makes her happy．A．WhenB．WhyC．HowD．Where

[单选题]（ ）30． Many families were affected because of ________ ．A． the heavy rain on MondayB． the broken banks of the riverC． the floods across MexicoD． the death of 132 people

[单选题]24． Peter is tired of study，maybe because he _______ ．A． has no close friendsB． has no pocket moneyC． plays too many computer gamesD． gets fatter and fatter