Heinsuredhiscar________hehadanaccident.
D
他给自己的汽车投了保，以防万一遇到交通事故。考查连词词义区分题。 A 否则，要不然 B 如果 C 自从，由于 D 以防万一，以免
We were told that the stone figure _______ back to the 16th century was of great value.
Modern English vocabulary develops through the following channels EXCEPT ______.
WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?