．下图所示四幅等高线地形图中等高距相同，水平比例尺不同，请判断坡度最陡的是哪一幅示意图（ ）
____ new study says that going to___bed late is harmful to our health．（ ）
A．/， /B．A， /C．A，theD．The， the
﹣Have you noticed that Anna's great progress in spoken English ？
﹣Yes， she sets us a good example． Hard work always__．（ ）
A．makes a dealB．makes a difference
C．makes a problem
﹣Jack __ to help at the underground station on wenkends．
﹣Cool! Let's join him next Saturday．（ ）
A．offersB．refusesC．forgets
﹣Have you heard about Shenzhen Interational Magic Festival ？
﹣___， it is a big event for Magic lovers like me．
A．WellB．CertainlyC．Exactly
﹣The piano lessons are too hard for me． I nearly give up．
﹣Please be more____． I believe you'll make it．（ ）
A．carefulB．helpfulC．patient
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