搜题请搜索小程序“爱下问搜题”
问题 单项选择题

化学性质、安全防保、灭火方法互相抵触的易燃易爆化学物品（）。

A、可以混合装运

B、必须严格防爆

C、做好隔热降温

D、不得混合装运

答案

参考答案：D

填空题
根据短文内容，从下面方框中选择适当的单词填空
thought, was, wasn't, going, told, was, wasn't, told, would, wasn't
     It was an exciting week for the people on the soap opera Young Lives.  First of all, Marcia told Ben she    l    having a surprise party for Lana, and that Lana_ 2    she was going to her house to study. Then Lana    3    Ben she    _4__mad at Marcia, and that she  _  5    going to her house on Friday. So Ben told Lana that Marcia was.   _6 _ to have a party for her. Lana told Ben that she    7    mad at Marcia anymore, and that she __8__ go to Marcia's house on Friday night. However, Marcia called everyone and __9__them that she __10_going to have the party.
1._________ 2.________ 3._________  4._________ 5. _________
6._________ 7._________8._________ 9._________10._________
查看答案
填空题

设有三个基本表，表ITEM(项目号，项目名，项目负责人，电话) ，BIP(项目号，零件号，数量，日期) ,PART(零件号，零件名称，规格，单价) ，完成SQL语统计出每个项目使用零件的金额和不同项目使用零件的合计金额，并将结果按表SSP(项目号，项目名，金额) 的结构显示。
SELECT ITEM.项目，项目名，SUM(单价*数量) AS 金额
FROM ITEM, BIP, PART
WHERE (12)
GROUP BY ITEM.项目
(13)
SELECT “合计”，SUM(单价*数量)
FROM BIP, PART
WHERE (14)
ORDER BY 1
(15)

查看答案