【判断题】这个标志的作用是用以警告车辆驾驶人谨慎慢行,注意横向来车。
【单选题】车辆在泥泞、溜滑路面上紧急制动时,易产生侧滑,甚至造成翻车、坠车或与其他车辆、行人相撞。
【单选题】Which of the following about 'fuzzy math' is NOT true?
A.
Fuzzy math is a set of standards introduced by N.C.T.M..
B.
Fuzzy math encourages teachers to give partial credit for wrong answers.
C.
Fuzzy math allows students to use calculator and estimation.
D.
Fuzzy math was a sensible approach distorted into a parody of itself.
【判断题】Culture is a set of norms that set standards for a society of what is acceptable behavior.
【判断题】A controdicion is a proposition that is inconsistent; and a contradictory set of propositions is a set of propositions that are together inconsistent.
【单选题】Computer virus, whose essential ______ is a set of instructions, is one kind of threat to the security and integrity of computer system.