下列定义数组的方法中( )是正确的。 A: var x = new Array[ "item1"; "item2"; "item3"; "item4" ] B: var x = new Array("item1", "item2", "item3", "item4") C: var x = new Array{ "item1", "item2", "item3", "item4"} D: var x = new Array{ "item1"; "item2"; "item3"; "item4"}

In News Item 1, the phrase “in a row” means ______.

有列表定义如下：[br][/br]group1 = [ ["萧峰", 98], ["杨过", 96] ] 要提取两位大侠的名字"萧峰"和"杨过"，应该采用下面哪种方法 A: n = [ item[0] for item in group1 ] B: n =[ item[1] for item in group1 ] C: n = group1[0],group1[1] D: n = [ item for item in group1 ]

The problem of "fruits" also can be solved in the way below:d = {} for item in fruits: d[item] = d.___________(item, 0) + 1

以下语句获取表中第1行第1列（FirstName列）的数据，其中正确的语句是（）。 A: AmyTable.Rows（0）（1） B: BmyTable.Rows（0）.Item（1） C: CmyTable.Rows（0）.Item（0） D: DmyTable.Rows（1）（"FirstName"） E: EmyTable.Rows（0）.Item（"FirstName"）

ITEM1服务贸易和技术贸易均属于()

开启第二条生产线的标准（） A: 早餐ITEM数≥280/午餐ITEM≥241 B: 早餐ITEM数≥281/午餐ITEM≥240 C: 早餐ITEM数≥241/午餐ITEM≥280 D: 早餐ITEM数≥200/午餐ITEM≥180

I. Spot dictation Directions: Listen to the news item (VOA news item) and complete the following passage. (8%, 1 point for each)/module/audioplay.html?objectid=f682ec9a36d787bcc724cfe1b7b69e43f682ec9a36d787bcc724cfe1b7b69e43

The opportunity cost of an item is ( ). A: the price of that item B: what you give up to get that item C: the time you have to spend on earning enough money to buy that item D: the cost of producing that item

执行如图1所示的程序框图，若输入的值为3，则输出的值是（）https://gss0.baidu.com/7LsWdDW5_xN3otqbppnN2DJv/baidu/pic/item/7aec54e736d12f2e1d704ca948c2d56284356886.jpghttps://gss0.baidu.com/7LsWdDW5_xN3otqbppnN2DJv/baidu/pic/item/37d12f2eb9389b50e98a029b8235e5dde6116e86.jpghttps://gss0.baidu.com/7LsWdDW5_xN3otqbppnN2DJv/baidu/pic/item/4e4a20a4462309f7cfa64edb750e0cf3d6cad62a.jpg