Question

几道英语单选题，谢谢～

1.Constituting one of the earliest engineering techniques,__ in Paleolithic time was done in order to extend natural caves.
A.tunnels were built
B.which built tunnels
C.the building of tunnels
D.tunnels whose building

2.I know not many people could __ the title of defender of our national identity,for the values in our language and our tradition are being happily abandoned.
A.come up with B.live up to
C.look up to D.add up to

3.Oxygen and nutrients reach the body's tissues __ from the blood through the capillary wall.
A.pass B.by passing
C.to be passing D.have passed

4.Some people seem to have little sympathy for those poor children in the countryside __ the right to basic education.
A.who deprived B.deprived of
C.deprived by D.who are deprived

5.Language scholars around the world are interested in the __ English plays in different parts of the world.
A.role B.feature
C.nature D.structure

选那些，为什么，谢谢谢谢！

Answer 1

1. c   后半句缺名词性主语
   

2. b   live up to 无愧于

3. b    通过毛细管壁传到血液

4. d    那些被剥夺基础教育的孩子们

5. a    play a role in sth 在sth中扮演一个角色