简述土壤孔隙状况的评价标准。
Given the following two tables: TAB1 C1 C2 1 Antarctica 2 Africa 3 Asia 4 Australia TAB2 CX CY 5 Europe 6 North America 7 South America Which of the following SQL statements will insert all rows found in table TAB2 into table TAB1?（） INSERT INTO tab1 SELECT cx, cy FROM tab2。 INSERT INTO tab1 VALUES (tab2.cx, tab2.cy)。 INSERT INTO tab1 VALUES (SELECT cx, cy FROM tab2)。 INSERT INTO tab1 (c1, c2) VALUES (SELECT cx, cy FROM tab2)。
对树脂性能的要求有哪些？
james needs to sort a list of values in a list of values in fieldA, and when the form in saved ,he wants to sort the list before it is saved. Which one of the following formulas would accomplish this?（） @sort 。 @sort(@thisvalue) 。 @sortAscending(fieldA) 。 @sort(“ascesding”;”fieldA”)。
有关Excel2003打印以下说法错误的理解是：（） 可以打印工作表。 可以打印图表。 可以打印图形。 不可以进行任何打印。
A customer has a failing HBA adapter and needs to identify the location of the adapter. Which of the following AIX commands should the specialist recommend the customer review？（）
