GWD17-Q33紧急求助，还有3天考试

Cherliuiking

33. GWD17-Q33:
Doctors hope that one day the body’s master cells, called stem cells, can be directed to grow in organs or tissues appropriate for transplant, use them to test drugs and potentially toxic chemicals, and may study them to gain insight into basic human biology.
A.    transplant, use them to test drugs and potentially toxic chemicals, and may study them
B.    transplant, using them to test drugs and potentially toxic chemicals, and studied
C.    ！transplant, used to test drugs and potentially toxic chemicals, and studied
D.    a transplant, use them for testing drugs and potentially toxic chemicals, and for studying
E.    a transplant, used to test drugs and potentially toxic chemicals, and may study them
答案是什么？哪位NN确定

cristina2

C, 对吗？

我心向明月

嗯，同楼上，我也选C。

D/E排除先

B: using.., and studied，排除。
A/C： A: use的主语应该是doctors，后面的them可以有多种解释了。选C。

yidiyuehan

同意是C

Cherliuiking

就是说是 the body’s master cells, called stem cells, can be to gain insight into basic human biology.是这个意思吗？
那to gain insight into basic human biology中gain的主语不应该是医生吗？
这样的配搭可以否呢？
感谢大家的热心，还有3天就考，忐忑。。。

cristina2

Doctors(主语) hope(谓语) that(宾语引导宾从) one day the body’s master cells, called stem cells, can be directed to grow in organs or tissues appropriate for transplant, used to test drugs and potentially toxic chemicals, and(can be) studied to gain insight into basic human biology
主句结构：Doctors  hope  that 。。。
宾从: 主语 the body’s master cells
     谓语can be directed to。。。and(can be) studied  to。。。  

这样不知可否帮到你呢？我表达能力有限，会画图～

cristina2

the body’s master cells can be directed to。。。and(can be) studied  to。。。

zxkingsey

transplant, used to test drugs and potentially toxic chemicals,
used修饰什么?主语?

Cherliuiking

thanks for Cristina mm

smalldan

transplant, used to test drugs and potentially toxic chemicals,
used修饰什么?主语?

-- by 会员 zxkingsey (2010/1/28 22:38:55)

同问，其他都很好理解，虽然选对了，可是used 的逻辑主语不是很有准，是cells么？？？
是不是有些情况used会就近修饰前面的n. ？？