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【简答题】
短文填空 The most important drink is water. Not many people understand this but it is quite t 1 . People can l 2 for a long time without food, but they will die if two or three days w 3 water. In h 2 weather, many people do not drink e 5 water, because they don’t know how much water they n 6 . After t 7 exercise, people need more water. The water in man’s body is m 8 more than other matters(物质). We’d better have enough water, or we may get i 9 . Water is n 10 to all the living things. There will be no l 11 if there is no water. So we must save water and don’t w 12 water.
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【多选题】微机中读写控制信号的作用是 。
A.
决定数据总线上数据流的方向；
B.
控制存储器操作读 /写的类型；
C.
控制流入、流出存储器信息的方向 ；
D.
控制流入、流出 I/O端口信息的方向；
【单选题】微机中读写控制信号的作用是 ______。
A.
决定数据总线上数据流的方向;
B.
控制存储器操作读/写的类型;
C.
控制流入、流出存储器信息的方向;
D.
控制流入、流出I/O端口信息的方向;
E.
以上所有。
【单选题】FOB destination means that:
A.
Ownership of the items being purchased changes when the goods arrive at the seller’s place of business.
B.
Ownership of the items being purchased changes when the goods arrive at the buyer’s place of business.
C.
Ownership of the items being purchased changes when the goods leave the seller’s place of business.
D.
Ownership of the items being purchased changes when the goods leave the buyer’s place of business.
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