模为零的向量叫做零向量，模为1的向量叫做单位向量。

按逆时针方向旋转形成的角叫做正角.

“zhuāng”的构成音素有（）个。

该音节中包括zh、u、a、ng四个音素。

“Woman”becomes“Frau”inGerman,“femme”inFrenchand“fùnǔ”inChinese.Thisexampleshowsthatindifferentlanguagesthesameconceptcanberepresentedbydifferent__

ThefollowingwordsofthebasicwordstockdenotethemostcommonthingsandphenomenaoftheworldaroundusEXCEPT_.

Aliensareborrowedwordswhichhaveretainedtheiroriginalpronunciationandspelling.WhichofthefollowingwordscomesfromChinese?

TheIndo-EuropeanlanguagefamilyismadeupofthelanguagesofthefollowingEXCEPT____·

WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabpary?

ModernEnglishvocabparydevelopsthroughthefollowingchannelsEXCEPT

Howmanymonomorphemicwordsarethereinthefollowingwords?catsbossworkimpropertried