【判断题】TVM维修门钥匙和钱箱钥匙可以同时由值班站长保管。
【单选题】Cantonese cuisinefeatures ______________.
A.
a mixture of all flavors
B.
a large amount of food
C.
creative cooking methods
D.
a large varie ty of ingredients
【多选题】这起事故中,当甲发现盲竖井内起火时,应该采取的应急措施包括( )。
【单选题】Dieser Professor leitete seine Vorlesung mit Einsteins ________ ein.
【单选题】In China, there are eight major language groups such as Mandarin, Cantonese and Hakka Languages. Which one is Chinese official language?