题目

已知3x＋4≤2(3＋x)，则|x＋1|的最小值为________． 答案：【答案】0【解析】解不等式3x＋4≤2(3＋x)，得：x≤2，所以，当x=-1时，|x+1|有最小值为0，故答案为：0.根据短文内容的理解，选择正确答案。What do you eat every evening? Do you eat meat? Do you eat vegetables? Do you eat fruit or dessert(甜点) after dinner? We asked the 55 students of Class 1, Grade 7 in Sunshine School. Here is the result(结果).（1）How many girls are there in Class 1, Grade 7?A.Twenty.B.Thirty-five.C.Thirty.D.Twenty-five.（2）All the students in the class eat for dinner.A.meatB.dessertC.fruitD.vegetables（3）In the class, 10 students don't eat for dinner.A.meatB.dessertC.fruitD.vegetables