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【多选题】
有效防范计算机病毒的方法有哪些(多选)A.
使用U盘前，先对U盘进行查杀
B.
不打开来历不明的邮件
C.
不随意下载安装程序
D.
不扫描不知来源的二维码
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Mr. and Mrs. Harris had always spent their summer holidays in a small hotel at the seaside near their hometown. One year, however(然而) , Mr. Harris made a lot of 1 in his business, 2 they decided to go...
【简答题】练习 1 :分辨下列句中不定式的句能。 1. My wish was to become a scientist . 2. She decided to resign . 3. They felt it impossible to finish the work in just two days . 4. To lie on this beach is comfortable. 5. This...
【多选题】梯形图编程原则有()
A.
触点不能接线圈右边。
B.
多条支路并联时，串联触点少的支路应该放在上面。
C.
几条支路串联时，并联触点多的支路，尽量安排在左面。
D.
梯形的触点可以画在垂直支路上，也可画在水平支路上。
【简答题】Mr. and Mrs. Harris had always spent their summer holidays in a small hotel at the seaside near their hometown. One year, however(然而) , Mr. Harris made a lot of 1 in his business, 2 they decided to go...
【简答题】冬天某人进入浴室后不久便突然晕倒，其血流动力学的原始因素是（ ）
【多选题】以下关于梯形图设计规则正确的是（）
A.
触点应该画在垂直线上，不能画在水平线上
B.
不包含触点的分支应放在垂直方向上
C.
不能将触点画在线圈的右边
D.
在有几个串联回路相并联之时，应该将触点最多的那个串联回路放在梯形图的最上面
【单选题】They decided to ___________ the poor children some food immediately.
A.
supply
B.
offer
C.
provide
D.
providing
【简答题】用所给词的适当形式填空。 1. Two hours is a long time _____ (stay) still. 2. They decided _____ (go) to the cinema. 3. I have something nice _____ (eat). 4. _____ (watch) the football match, I can go to the stadiu...
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