预发我这次题目都不长哎，考比较级和平行结构比较多，包括twice as many as, whereas, both by...not by..., 独立主格，倒装
1 while noisy, busy, or confused events are happening - used in writing or news reports:
The dollar has fallen in value amid rumors of weakness in the US economy.
Demonstrators ripped up the national flag amid shouts of 'Death to the tyrants!'
2 literary among or surrounded by things:
He sat amid the trees.
【考古】還有amid和among的差別，先知道比較好，因為有一題5個選項的句首有3個用amid，2個用among，大家可以參考google搜尋量第一的網頁http://writingtips.wordpress.com/2007/09/01/amid-amidst-among/ (原題中是among/amid the managers，如果該網頁無誤，應該要用among)
Try using less formal in or among instead of amid. Use among with plural, countable nouns — among friends, among passengers — and save amid for use with uncountable mass nouns — amid a crowd, amid congestion.
The Chicago Manual of Style also advises against using amidst, opting instead for amid with mass nouns, as in amid talk of war, and asserts that among is used for plurals of count nouns, as in among the children.
As a result of a supernova explosion, every human being on Earth was bombarded on February 23, 1987, by about 100 billion neutrinos; fortunately, neutrinos are harmless elementary particles thatare produced in nuclear reactions and that interact very weakly with matter.
(A) neutrinos are harmless elementary particles that are produced in nuclear reactions and that
(B) neutrinos, which are harmless, are elementary particles produced in nuclear reactions and which
(C) neutrinos are harmless elementary particles produced in nuclear reactions and which
(D) these harmless elementary particles are produced in nuclear reactions, and neutrinos
(E) these elementary particles, harmless products of nuclear reactions, are neutrinos that
Massachusetts Institute of Technology GRE: 1353 GMAT:720 Stanford University (CA) GRE: 1354 GMAT:720 University of California–Berkeley GRE: 1353 GMAT:707 Georgia In
GMAT考试是美国管理专业招收研究生委员会主办和负责指导的考试, 其英文全称是Graduate Management Admission Test。GMAT考试的科目包括会计学、经济学、管理学、普通管理、生产管理、行政管理、