用竖式计算；
（1）28×4
（2）208×2
（3）350×8
（4）314×5
（5）113×9
（6）542×6．
（1）28×4=112，
28
；× 4 112
（2）208×2=416，
208
；× 2 416
（3）350×8=2800，
350
；× 8 2800
（4）314×5=1570，
314
；× 5 1570
（5）113×9=1017，
113
；× 9 1017
（6）542×6=3252，
542
．× 6 3252
请根据句意从方框中选择合适的词, 并用其适当形式填空，使句子通顺。
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| 1. People often admire _____________ and want to do things like them. 2. —Who taught your brother drawing？ —Nobody. He taught ____________. 3. We must understand the _____________ of learning a foreign language. 4. Nick stayed _____________ after the car accident. 5. “You shouldn’t be so careless,” Mrs Smith said _____________ to her son. |