第1题：
Bitterness comes from __________.
A. our health problems like heart disease
B. the anger that lives deep inside our mind
C. the person who says something that hurts us
D. our relationships with friends and family members
第2题：
Friends play an important part in our lives, but we don&39;t know much about how to make friends. As we get to know people, we consider things like age, races, looks and social positions. Thus it is more difficult for people to become friends if there is a big difference in age and background. However, some people don&39;t think these factors are of the most importance.
朋友在我们的生活中扮演着重要的角色，但我们对如何交朋友却知之甚少。当我们认识人时，我们会考虑年龄、种族、外表和社会地位。因此，如果年龄和背景有很大的差异，人们就很难成为朋友。然而，有些人并不认为这些因素是最重要的。
第3题：
32. Of all the students in our class, she is ______.
A. most careful B. careful C. more careful D. the most careful
第4题：
We were challenged to make ________ publicly about things we would like to change in our lives.
A commitments
B commissions
C contributions
D dedications
第5题：
They also warn that these countries are among the most _________ to climate change.
Alax
Bvulnerable
Caddictive
Dnasty
第6题：
We are ________sometimes of selfishness in our lives.
A.miserable
B.greedy
C.guilty
D.sorry
第7题：
Meeting foreign language requirements for the PhD_________
A． is the most frequent reason for dropping out
B． is more difficult for the science candidate than for the humanities candidate
C． is an essential part of many PhD programs
D． does not vary in difficulty among universities
第8题：
此题为判断题(对，错)。
第9题：
A what ;
B that ;
C which
第10题：
Many disasters allow no time for people to gather even the most basic necessities, which is()planning ahead is essential.
A. why
B. because
C. since