问题
单项选择题
混凝土强度中()最小。
A.抗压强度
B.抗拉强度
C.抗弯强度
D.抗剪强度
答案
参考答案:B
混凝土强度中()最小。
A.抗压强度
B.抗拉强度
C.抗弯强度
D.抗剪强度
参考答案:B
六、书面表达(满分15分) 假如你是Mike,是美国Jenks High School与成都七中交换项目的学生,请就本校食堂服务(canteen service)的状况给校长写一封信。内容包括:
Dear Mr. Principal, I am an exchange student from Jenks High School. And I have been here in Chengdu No 7 High School for some time. I’d like to say something about the canteen service in our school. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ |