【简答题】The study on how the genetic errors cause disease enables scientists to ______.
【单选题】劳动定额的表现形式主要有两种,它们之间的关系是( )。
【单选题】Which of the four adjustable errors in the sextant is the principle cause of index error ().
A.
Telescope not being parallel to the frame
B.
Index mirror and horizon glass not being parallel
C.
Index mirror not being perpendicular to the frame
D.
Horizon glass not being perpendicular to the frame
【多选题】变量之间的相关关系按其表现形式划分有( )
【简答题】计划有哪些表现形式?各表现形式之间的相互关系是怎样的?
【判断题】analyze the cause for errors;
【简答题】yze the cause () errors
【简答题】Please state the factors that cause errors and mistakes in foreign language learning.(厦门大学2006研)