【单选题】设有如下程序段 x=2 For i=1 to 10 step 2 x=x+i Next 运行以上程序后, X的值是____。
【判断题】在外电场的作用下,电场力使得正、负离子发生相对位移,整个分子呈现极性。这种极化形式称为离子式极化。
【单选题】设有如下程序段: x = 2 For i = 1 To 10 Step 2 x = x + i Next 运行以上程序后, x 的值是( )。
【单选题】设有如下程序段: x = 2 For i = 1 To 10 Step 2 x = x + i Next 运行以上程序后,x的值是( )。
【单选题】---I don't know____ during the summer vacation. Do you have any advice? ---How about visiting Beijing International Horticultural Expo(北京国际园艺博览会)
【判断题】非持证电气专业人员,不得随意拆修电器设备。
【判断题】非持证电气专业人员,不得随意拆修电器设备
【简答题】I really enjoyed my vacation last summer to Sanya! I ( play ) ________ in the sea while the sun ( shine ) ________ .
【单选题】Choose the complete sentence.
A.
The most beautiful cities are in New England.
B.
Being on vacation in the best city in the world.
C.
Many interesting places to visit this summer.
【简答题】--Which is the city ____ you visited this summer vacation? -Xi’an. It is the city ____ I spent my childhood.