【单选题】Which city in France was the west end of the ancient Silk Road?
【单选题】By 1453, which city is the only part of France that was still in the hands of the English?
【单选题】Which city is the metropolitan with most tourists in France?
【简答题】下图中X、Y、Z是中学化学中常见的三种元素的单质,甲、乙是由Z、Y及Z、X形成的两种常见的化合物,它们之间存在如下图所示的关系。 (1)试推断X、Y、Z可能的组成。(可不填满,也可补充) (2)若常温下X为气体,Y为液体: ①Y应如何保存?为什么?___________________ ②保存Y的试剂瓶中可看到几层?每一层的颜色如何?各是什么物质?_______________ ③若分别将四氯化碳...
【单选题】The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_AD...
A.
WHERE lower(country_address) = "france"
B.
WHERE lower(country_address) = 'france'
C.
WHERE lower(country_address) IS 'france'
D.
WHERE lower(country_address) = '%france%'
E.
WHERE lower(country_address) LIKE %france%