1. Staying up late will increase the
2. Millie didn't hand in her homework because of her
3. Look! A
4. I hope you can
5. The blue whales are still in
risk
of heart disease. (风险)2. Millie didn't hand in her homework because of her
illness
. (疾病)3. Look! A
wild
horse is eating the grass behind the tree. (野生的)4. I hope you can
accept
my invitation and come to my party. (接受)5. The blue whales are still in
danger
. We should try to protect them. (危险)答案：1. risk 2. illness 3. wild 4. accept 5. danger
二、用括号中所给单词的正确形式填空。
1. Thank you for
2. Fresh air, clean water and green grass are of great
3. We should take action to prevent the pollution
4. I arrived 10 minutes late, so I missed the
5. The world's
1. Thank you for
giving
me your advice. (give)2. Fresh air, clean water and green grass are of great
importance
for animals. (important)3. We should take action to prevent the pollution
to live
a happier life. (live)4. I arrived 10 minutes late, so I missed the
beginning
of the film. (begin)5. The world's
largest
nature reserve for milu deer is in Yancheng, Jiangsu Province. (large)答案：1. giving 2. importance 3. to live 4. beginning 5. largest
(
—I saw ______. They were sleeping then.
A.nothing
B.no one
C.nobody
D.none
D
)1.—Did you see any giraffes in the zoo yesterday?—I saw ______. They were sleeping then.
A.nothing
B.no one
C.nobody
D.none
答案：D 【点拨】nothing 没有什么；no one 没有人；nobody 没有人；none 没有一个，强调数量。根据“They were sleeping then.”可知，此处表示一头长颈鹿也没有看到。故选 D。
(
—That's why the world is so colourful. We should ______ the differences.
A.refuse
B.prepare
C.accept
D.delete
C
)2.—Some things seem to be quite different in foreign countries.—That's why the world is so colourful. We should ______ the differences.
A.refuse
B.prepare
C.accept
D.delete
答案：C 【点拨】根据“That's why the world is so colourful.”可知，差异是世界如此丰富多彩的原因，因此，我们应该接受差异的存在。故选 C。
(
A.danger
B.in danger
C.dangerous
D.in dangerous
A
)3.They will protect their family if there's ______.A.danger
B.in danger
C.dangerous
D.in dangerous
答案：A 【点拨】danger 危险，名词；in danger 处于危险中；dangerous 危险的，形容词；in dangerous 表达不对。此处缺少名词。故选 A。
(
A.as; in
B.as; at
C.for; for
D.for; at
B
)4.Wolves usually hunt ______ a team. And a baby wolf can help its parents hunt ______ four or five months old.A.as; in
B.as; at
C.for; for
D.for; at
答案：B 【点拨】as a team 作为一个团队；at four or five months old 在四五个月大时。故选 B。
(
A.less and less
B.fewer and fewer
C.larger and larger
D.more and more
B
)5.It's reported that the Chinese white dolphins have ______ living areas. We should take action to protect them.A.less and less
B.fewer and fewer
C.larger and larger
D.more and more
答案：B 【点拨】根据语境可知，排除 C、D。less and less 和 fewer and fewer 意思是“越来越少”，less and less 修饰不可数名词，fewer and fewer 修饰可数名词复数。living areas 是可数名词复数，应填 fewer and fewer。故选 B。
1. 我在写信帮助阻止人们捕捉野生动物。
I am writing to help to
2. 我的小猫在我父母那儿受到了妥善照顾。
My little cat is
3. 我们的寒假从一月初开始。
Our winter holiday starts
4. 请帮助动物,否则将来可能一个都没有。
Please help the animals, or
5. 政府制定了法律保护野生动物。 (make laws)
I am writing to help to
stop people catching
wild animals.2. 我的小猫在我父母那儿受到了妥善照顾。
My little cat is
in safe hands
with my parents.3. 我们的寒假从一月初开始。
Our winter holiday starts
at the beginning
of January.4. 请帮助动物,否则将来可能一个都没有。
Please help the animals, or
there may be none in the future
.5. 政府制定了法律保护野生动物。 (make laws)
The government made laws to protect the wild animals.
答案：1. stop people catching 2. in safe hands 3. at the beginning 4. there may be none in the future 5. The government made laws to protect the wild animals.