【判断题】1904-1905年日俄战争在中国东北的领土上进行。()
【简答题】如果要合成镁铝尖晶石,可提供选择的原料为 MgCO 3 、 Mg(OH) 2 、 MgO 、 Al 2 O 3 ·3H 2 O 、 γ-Al 2 O 3 、 α-Al 2 O 3 。从提高反应速率的角度出发,选择什么原料较好?说明原因。
【简答题】如果要合成镁铝尖晶石,可供选择的原料为MgCO 3 、Mg(OH) 2 、MgO、Al 2 O 3 ·3H 2 O、γ-Al 2 O 3 、α-Al 2 O 3 。从提高反应速率的角度出发,选择什么原料较好?请说明原因。
【简答题】In order to learn to develop a critical imagination, you are suggested to___________.
【单选题】For the objects you would like to create for the mummy tomb, you are suggested to refer to some relevant books and visit some websites.
【单选题】When you are asked to comment your previous boss or company, you are suggested to _____.
A.
complain about the company atmosphere
B.
show your gratitude to their help
C.
speak out all your dissatisfaction
D.
speak ill of your previous boss