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.
答案C,但是这里的used to ...和studied 不会引起歧义吗?因为跟在transplant后面,会不会被理解为修饰transplant呢?
平行结构~~~~
如果修饰transplant,则不需要逗号。
恩~~~脑子做晕了~~
谢谢^-^
OG10第141题中,transplant为可数名词,
141. Unlike transplants between identical twins, whose genetic endowment is the same, all patients receiving hearts or other organs must take antirejection drugs for the rest of their lives.
(A) Unlike transplants between identical twins, whose genetic endowment is the same
(B) Besides transplants involving identical twins
with the same genetic endowment
(C) Unless the transplant involves identical twins
who have the same genetic endowment
(D) Aside from a transplant between identical twins with the same genetic endowment
(E) Other than transplants between identical twins,
whose genetic endowment is the same
所以我的选择是E,and may study them修饰doctors
OG10第141题中,transplant为可数名词,
141. Unlike transplants between identical twins, whose genetic endowment is the same, all patients receiving hearts or other organs must take antirejection drugs for the rest of their lives.
(A) Unlike transplants between identical twins, whose genetic endowment is the same
(B) Besides transplants involving identical twins
with the same genetic endowment
(C) Unless the transplant involves identical twins
who have the same genetic endowment
(D) Aside from a transplant between identical twins with the same genetic endowment
(E) Other than transplants between identical twins,
whose genetic endowment is the same
所以我的选择是E,and may study them修饰doctors
這題重點是句意
use 必須要有動作者, Doctors已經被拿去做hope的動作,後面的主動表達會有作用者的疑慮
stem cells不會自己use them(又是指自己) to test..
因此A,B,D表主動的use必錯
E句尾的may study them也錯,因為stem cells不會study them
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