Additional social stresses may also occur because ofthe population explosion or problems arising from mass migration movements — themselves made relatively easy nowadays by modern means of transport.请问如何理解粗体部分的句子？themselves 指的是massmigration movements，那themsel...
They may experience feelings of extreme dread and elevated heart rate leading up to the procedure.他们会在这一过程中感到由之产生的极度恐惧并心跳加速。lead up to是导致，致使的意思，leading up to the procedure翻译无法理解，在句中作什么成分？
It seems first to have taken possession of a few minds inthe seventeenth and eighteenth centuries as an accompaniment ofthe great advances in pure science.as an accompaniment ofthe great advances in pure science是在句中做it主语的补语吗？
...sturbed places. It is different from traditional tourism because it allows
the traveler to become ___61___ (educate) about the areas—both in terms of
geographical conditions and cultural characteristics, and often provides money
for conservation and benefits the ___62___ (develop) ofthe local are...
...级英语语法348页说：1976年棉花产量100吨，1987年500吨：1)The
output of cotton in 1987 was five times as much as that of 1976.2)The
output of cotton in 1987 was five times that of 1976.3)The
output of cotton in 1987 was five times what it had been in 1976.4)The
output of cotton was 40...
The regrowth in plants also brought back many animals to the land. This return of life to Glacier Bay is why it is sometimes called "a land reborn."请问老师，句中的介词 in 和 of 可以互换吗？
Pavis' own proposal is a theory of 'vectors', which permits a mapping operation of different aspects ofthe stage in relation to each other in ways which have more in common with graphical communication than with language. （第一种翻译）帕维斯自己的建议是一种“向...
...P725）(1) 作“to stop someone from taking part in an activity
because they have broken a rule 【因犯规而】取消……的资格”解时，构成“be disqualified from doing something”。例如：He was disqualified
from driving.他被吊销了驾驶资格。Her weak eyesight disqualifie...