【简答题】根据句意从方框中选用合适的词语,并用其适当形式填空。 need; sleep; opportunity; learn from; proud of 1. He lost an ______ to study abroad. 2. He______to do his homework now, or he can't finish it on time. 3. Because of the com...
【简答题】用方框里所给的单词的适当形式填空,使文章通顺、连贯、合理 photo regular good keep that Every person needs friends. Friends are 小题1: who open their hearts to us. They always encourage us to try our 小题2: to do everything, a...
【简答题】写出下列溶液的质子条件式。 (1) 0.1 mol/L NH 3· H 2 O (2) 0.1mol/L H 2 C 2 O 4 (3) 0.1mol/L (NH 4 ) 2 HPO 4 (4) 0.1 mol/L Na 2 S (5) 0.1mol/L (NH 4 ) 2 CO 3 (6) 0.1mol/L NaOH (7) 0.1mol/L H 2 SO 4 (8) 0....
【简答题】根据句意从方框中选用合适的词语,并用其适当形式填空 。 to start with; lead to; spend; aim at; for instance 1. Customers usually enjoy _____ more time eating in a quiet place. 2. The book Tips on Cooking is _____ housewives (家庭主...