皮皮学，免费搜题
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【简答题】
请先阅读下面短文，掌握其大意，然后从方框中所给的单词中选出最恰当的10个， 用其适当形式填空，并将答案填到相应位置。 sun, surprise, take, lie, many, play, swim, lot, be, rainy, study, have Dear Frank, I'm 1 at a middle school now. My school is nice and clean. There 2 thirty students in my class. It's 3 today and it's hot. My classmates and I are playing on the beach. It's a nice place. The water is blue and clear. We are 4 a good time! There are 5 of birds flying over the sea. Many people are 6 in the sea. Some boys are 7 beach ball. Other people are 8 on the beach. One girl is 9 photos, I'm 10 that everyone can enjoy themselves in this heat. Could you tell me something about your life?
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皮皮学刷刷变学霸
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【单选题】常见计算机病毒的特点有( )。
A.
只读性、趣味性、潜伏性和传染性
B.
良性、恶性、破坏性和周期性
C.
周期性、隐蔽性、复发性和衍生性
D.
可执行性、潜伏性、传染性和破坏性
【简答题】双打时,各台区应由一条 毫米 宽的白色中线划分为两个相等的半区。
【简答题】双打时,各台区应由一条 毫米宽的白色中线,划分为两个相等的“半区”。中线与边线平行,并应视为 的一部分。