【简答题】下列四种电子构型的原子中(n=2、3、4)第一电离能最低的是( )。 (A) ns 2 np 3 (B) ns 2 np 4 (C) ns 2 np 5 (D) ns 2 np 6
【判断题】If you are really tired , you can stop having a rest for 10 minutes.
【简答题】If you are really tired, you can stop______ (have) a rest for 10 minutes.
【简答题】If you are really committed to sustainable farming, Kahang is a great place to .
【单选题】听力原文:If you are really to become a good writer, what should you do? (12)
A.
To read more and more.
B.
To write more and more.
C.
To study more and more.
D.
To remember more and more.
【单选题】用辩证唯物主义认识论考察艺术,就会发现作为意识形态的艺术是( )在艺术家头脑中反映的产物。
【判断题】Games should always be included in grammar lessons.
【单选题】'No, thanks, I don't smoke.' If you are really addicted to smoking and want to【C1】______, that may be the hardest thing you ever have to say. 'I don't smoke' has become an attitude of【C2】______ there ...