He insured his car ________ he had an accident.
A、unlessD
他給自己的汽車投了保，以防萬一遇到交通事故。考查連詞詞義區分題。A否則，要不然B如果C自從，由于D以防萬一，以免
“Apple,pear,peach,orange,lemon,etc.”makeupthe______of“fruit”.
Howmanymonomorphemicwordsarethereinthefollowingwords?catsbossworkimpropertried
Aliensareborrowedwordswhichhaveretainedtheiroriginalpronunciationandspelling.WhichofthefollowingwordscomesfromChinese?
Moderneconomics________thecountry’sagriculturalpolicies.
Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.
