选择:(21) The health of the body is dependent on the immune sy

选择:
(21) The health of the body is dependent on the immune system’s ability to recognize and then destroy bacteria and viruses.Here ‘immune’ means _____
A.protected against through the body ’s natural resistance (followed by to)
B.not affected by sth.(followed by to)
(22) They started out wanting a house,but eventually bought a flat.Here ‘start out’ means _____
A.intend when startin B.begin
(23) Tea was transplanted from China to India and Sri Lanka.Here ‘transplant’ means ____
A.remove tissue or an organ from one person or animal and put in into another
B.remove a growing plant with its roots and plant it elsewhere
(24) Although all humans share the same set of genes,individuals can inherit different forms of a given gene,making each person genetically unique.Here ‘inherit’ means ____
A.have features or qualities from an ancestor B.receive (money,property,ect.of an ancestor)
(25) The new students were told that they must register with the University before they could claim their grants.Here ‘register’ means ____
A.be recognized or noted mentally B.record a name,an event,etc.for official purpose
(26) What are your main concerns as a college student?Here ‘concern’ means ____
A.thing that is important or interesting to sb.B.worry,anxiety (followed by for/about/over/that)
(27) The twins were separated at birth and brought up in entirely different environments.Here ‘environment’ means _____
A.natural conditions,e.g.land,air and water,in which we live
B.all the circumstances,people,things,and events around sb.that influence their life
(28) It is important to enrich the soil prior to planting.Here ‘enrich’ means ____
A.make rich or richer B.improve
(29) They are rapidly establishing themselves as the market leaders.Here ‘establish’ means ____
A.cause to be,set up B.place or settle sb./oneself in position,an office,etc.
(30) We believe films of violence would by corrupt young people.Here ‘corrupt’ means ____
A.cause to act dishonestly in return for personal gains B.cause errors to appear in

B
A
B
A
B
A
B
B
B
B