若2x-y=3,x-2y=4, 则x+y的值是 A.1 B.0 C.-1 D.2 发布时间:2017-04-15 10:35 │ 来源:www.tikuol.com 题型:选择题 问题: 若2x-y=3,x-2y=4, 则x+y的值是 A.1 B.0C.-1D.2
题型:选择题 根据句意及首字母提示,补全句中所缺的单词。1. The word "water" is an u______ noun. 2. Please add some r______ before cooking. 3. Mr Li gives the students some i______ about the exam. 4. Turn on the b______ to make orange juice. 5. P______ the outer before we eat some fruits. 查看答案
题型:选择题 某患者在看见或听到"和平"二字时,马上想到"战争"二字;看到或听到"安全"时,便想到"危险",自知没有必要,但控制不住。此症状称为()A.强迫性穷思竭虑B.牵连观念C.强迫意向D.强迫性对立思维E.强迫回忆 查看答案