【简答题】细菌胞浆中常含有________、__________和_______等有形成分,其中_________是细菌蛋白质合成的场所,____________可用于鉴别细菌。
【单选题】常住旅客的床上卧具至少()多久更换一次。
【单选题】—Do you know ______ he traveled in the country? —Yes. Most of the time he rode his bicycle.
【简答题】细菌蛋白质合成的场所位于胞浆内的____,某些细菌胞浆内的____可用于鉴别细菌。
【简答题】细菌蛋白质合成的场所位于胞质内的______,某些细菌胞质内的______可用于鉴别细菌。
【单选题】How many morphemes are there in the word “ decentralization” ?
【单选题】How many morphemes are there in the word “ usefulness ” ?
【单选题】How many morphemes are there in the word rationalization ?