【单选题】The long-lasting popularity of sandwich lies in ______.
A.
their convenience and fast preparation time
B.
their cheap and delicious
C.
putting everything you want inside a sandwich
D.
hundreds of different kinds
【简答题】Ele vai prepará-lo hoje à tarde. ( só )_________________________ _________ ______
【单选题】减小滚珠丝杠副的基本导程L0,可以()。
【单选题】选出划线部分正确的音标: prepar ed
【简答题】¿Por qué preparó uvas la familia en la noche vieja?
【多选题】关于肺结核的叙述,下列正确的是
D.
病变范围大而浅表者或干酪样坏死可有实变体征,如患侧呼吸运动减弱等。