【单选题】Which kind of unemployment results from a change in the basic composition of the economy that also opens new positions for trained workers?______.
A.
Frictional unemployment
B.
Structural unemployment
【单选题】Which of the following statements about the lipid composition of plasma membrane is wrong?
A.
Cholesterol is prominent in plasma membranes but barely detectable in mitochondrial membranes. Cardiolipin is a major component of the inner mitochondrial membrane but not of the plasma membrane.
B.
Phosphatidylserine, phosphatidylinositol, and phosphatidylglycerol are relatively minor components of most membranes but serve critical functions; phosphatidylinositol and its derivatives, for example, are important in signal transductions triggered by hormones.
C.
Sphingolipids, phosphatidylcholine, and phosphatidylethanolamine are present in most membranes but in varying proportions.
D.
Glycolipids, which are major components of the chloroplast membranes of plants, are also found in animal cells.
【单选题】( )是指多数社会公众对组织政策、行为、人员、产品所形成的看法和意见的总和。
【单选题】Which vitamin isinvolved in the composition of the coenzyme of transaminase?
【单选题】Following which one is composition of renal stone?
【单选题】Which of the following is true about the composition of the pork ribs ( )
A.
True ribs 1 ~ 7, false ribs 8 ~ 15
B.
True ribs 1 ~5, false ribs 6 ~15
C.
True ribs 1 ~8, false ribs 9 ~15
D.
True ribs 1 ~7, false ribs 8 ~14
【单选题】Which of the following is true of the composition of the International Court of Justice?
A.
It is composed of 15 judges.
B.
Its judges are elected to fifteen-year terms of office.
C.
Its members represent their governments.
D.
Its judges are elected by the European Commission.
【判断题】轮椅扶手高度的标准是取舒适坐位,上臂自然下垂屈肘90°,肘下缘至椅面的距离加2.5cm
【单选题】Examine the chemical composition of the tumor and choose which of the following sequences