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【单选题】
如图是实验室制溴苯的装置图，下列说法正确的是（ ）A.
三颈烧瓶中左上侧的分液漏斗中加入的是苯和溴水
B.
冷凝管中的水流方向b口进a口出
C.
实验结束后向锥形瓶中加入硝酸银溶液会有浅黄色沉淀
D.
碱石灰作用是防止空气中水蒸气进入反应体系
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【单选题】He likes singing . We often hear him _______ after class.
A.
sing
B.
to sing
C.
sings
D.
sang
【单选题】We often hear him ( ) English under the tree in the morning.
A.
read
B.
reading
C.
to read
D.
reads
【单选题】Which of the following is INCORRECT according to the story?
A.
Both of the parents had an enjoyable day.
B.
Both parents and children had great experiences.
C.
Both parents and children learned something about how to spend money.
D.
Both the son and daughter had spent all their money.
【多选题】What can we do to multi-task better in interpreting?
A.
To make each sub-task routine or automatic by practice
B.
To make the brain energy pool larger through great concentration
C.
To allocate brain energy more effectively
【多选题】What can we do to promote environmental protection in our daily life?
A.
Save all resources that we could save
B.
Take action to promote recycling
C.
Fight against all kinds of pollution
D.
Promote the idea to people around us
【简答题】改写句子:Use verbs formed from the italicized words to rewrite the following sentences all necessary changes. All the verbs required are formed by the use of the affixes be-,en- and -en. 例如: The gi...
【单选题】— What can we do to help animals in nature reserves?— We can .A．keep hunters away from reservesB．
A.
— What can we do to help animals in nature reserves? — We can ____. A．keep hunters away from reserves
B.
take their babies home
C.
cut down some trees in reserves
D.
encourage farmers to grow more rice in reserves
【单选题】Expenditure increased on all the following EXCEPT______.
A.
food
B.
automobiles
C.
education
D.
entertainment
【简答题】Why do we need to read English Classics? 2. What are the possible obstacles in your reading? 3. What can we do to do the task well?
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