reflected back to space by snow and ice
concentrated at visible wavelengths
absorbed by carbon dioxide molecules
absorbed by atmospheric water vapor
第1题：
According to the passage，the greatest challenge to the new high-speed railway plan is ．
A．technical issues
B．safety of the system
C．financial problems
D．maintenance of railway tracks
第2题：
This passage is intended to __________.
A． discuss part-time jobs for students in general
B． encourage students to take up part-time jobs
C． show the benefits of part-time jobs to students' studies
D． praise boys and girls who work part time
第3题：
A.according to
B.in addition to
C.in regard to
D.thanks to
第4题：
It can be inferred from the passage that which of the following presents the greatest danger to diver?
A) Pressurized helium.
B) Nitrogen diffusion.
C) Nitrogen bubbles.
D) An air embolism.
第5题：
For this part, write a passage about 100~- 120 words entitled Friendship.
参考范文：
Friendship
In a broad sense, friendship exists between all human beings. Friendship makes our lives easier, more
meaningful and more beautiful When we are in trouble, we want other people to give us a hand;
when we are upset, we need other people to give us comfort and encouragement. One important thing
about friendship is that it should be consistent and lasting. We should be friendly even when our friends
are poor or experiencing bad luck. Afterall, "a friend in need is a friend indeed". Real friendship stands
the test of time and hardship.
第6题：
According to the passage, the first settlers used wood for their utensils and tools because it was ______.
A．durable
B．inexpensive
C．available
D．attractive
第7题：
According to the passage，quicksand is usually found______.
A. on hillsides
B. far inland
C. near water
D. on prairies
第8题：
According to the passage, what is the most important job for a perfect mom?
________________________________________________________
第9题：
According to the passage, "special cases" refers to cases where ______.
A) students attend a school only part -time
B) students never attended a school they listed on their application
C) students purchase false degrees from commercial firms
D) students attended a famous school
第10题：
The greatest strain，when lifting a load with the jumbo purchase，is on ______．
A.all of the parts，dividing the load equally
B.the hauling part because it must absorb the frictional losses of all the sheaves
C.the parts in the movable block
D.the standing part because it is directly connected to the weight