og13 关于'S的求解答！！！

LMS007888

OG13 28题 In virtually all types of tissue in every animal species, dioxin induces the production of enzymes that are the organism's trying to metabolize, or render harmless. the chemical that is irritating it.

(A)  trying to metabolize, or render harmless, the chemical that is irritating it

(B)  trying that it metabolize, or render harmless, the . chemical irritant

(C)  attempt to try to metabolize, or render harmless, such a chemical irritant

(D)  attempt to try and metabolize, or render harm­less, the chemical irritating it

(E)  attempt to metabolize, or render harmless, the chemical irritant

选E，说 organism's trying to metabolize中try is awkward, espeically in this construction with organism's
OG13 6题 Diabetes, together with its serious complications, ranks as the nation's third leading cause of death, surpassed only by heart disease and cancer.
A.ranks as the nation's third leading cause of death, surpassed only
B.rank as the nation's third leading cause of death, only surpassed
C.has the rank of the nation's third leading cause of death, only surpassed
D.are the nation's third leading causes of death, surpassed only
E.have been ranked as the nation's third leading causes of death, only surpassed
选the nation's third leading
OG13 120题 The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.
A.a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
B.a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
C.a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
D.which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
E.which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,
选C，human beings' burning of fossil fuels is economical .
不明白‘s 的用法，求高人解答！！！！

LMS007888

沙发！！！！我看笔记上SB'S V-ING一般不对，’s 究竟怎么用？？？

LMS007888

再补充一个题OG135. Spanning more than 50 years, Friedrich Müller began his career in an unpromising apprenticeship as a Sanskrit scholar and culminated in virtually every honor that European governments and learned societies could bestow.
(A) Müller began his career in an unpromising apprenticeship as
(B) Müller’s career began in an unpromising apprenticeship as
(C) Müller’s career began with the unpromising apprenticeship of being
(D) Müller had begun his career with the unpromising apprenticeship of being
(E) the career of Müller has begun with an unpromising apprenticeship of


选B,不选A
为什么是Müller’s career began in,而不是Müller began his career in？‘s ????咋用？

LMS007888

上个那一个写错了，是E选项the career of Müller 没有BMüller’s career好