保障()的标准和法律、行政法规规定强制执行的标准是强制性标准。

湿空气的湿含量是反映空气加热能力，相对湿度反映了湿空气的干燥能力 A、正确 B、错误

判断题湿空气的湿含量是反映空气加热能力，相对湿度反映了湿空气的干燥能力
A、正确
B、错误

Your English class has a new teacher, Miss Amber Start,...

未知题型Your English class has a new teacher, Miss Amber Start, from Americ After attending her first class the students have decided to invite her to an informal party held by your classmates. Write an invitation to your teacher and tell her:
1. who you are,
2. the purpose of the party and the activities, and
3. time anD.venuE.
Write a letter between 100 and 120 words in an appropriate stylE.on the answer sheet. Do not write your name or address.

本题中定义了长度为20的－维整型数组a，并将数组元素的下标值赋给数组元素，最后打印输出数组中下标为奇数的元素。...

未知题型本题中定义了长度为20的－维整型数组a，并将数组元素的下标值赋给数组元素，最后打印输出数组中下标为奇数的元素。 public class javal{ public static void main(String[]args){ int a[]= Int i： for a[i]=i for i++) =1： i=0；i<20；i++){ System．out．print(”a[”+i+”]=”+a[i]+”，“)； }