【简答题】Summers in the north ____be cooler and drier than in the south.
【简答题】Summers in the north ____(倾向于)be cooler and drier than in the south.
【多选题】行星齿轮的自转是指 [填空(1)] ;公转是指 [填空(2)] 。
【单选题】Summers in the north __________ be cooler and drier than in the south.
【单选题】因特网上有许多应用,其中用来收发信件的是 ( )
【单选题】Summers in the north _______ be cooler and drier than in the north.
【单选题】Summers in the north __________ be cooler and drier than in the south.