__________

【名词&注释】

马铃薯(potato)、形容词(adjective)、根状茎(rhizome)

[单选题]__________

A. devote
B. adapt
C. lead
D. keep

举一反三：

[单选题]How did the author probably feel after he talked with his friend?

A. Proud.
B. Pitiful.
C. Surprised.
D. Regretful

[单选题]马铃薯的食用部分是( )。

A. 块根
B. 块茎
C. 根状茎
D. 球茎

[单选题]簇生叶序是每个节上生3枚或3枚以上的叶。( )

A. 正确
B. 错误

[单选题]Studies show that people are more________ to suffer from back problems if they always sit before computer screens for long hours.

A. likely
B. possible
C. probable
D. sure

[单选题]What is most probably a “town guide “in the conservatism?

A. A book
B. A person
C. A shop

[单选题]43_______

A. prefer
B. recommend
C. prepare
D. demand

[单选题]The underline word “it” in the second paragraph refers to “ ” .

A. the energy benefitB． the forest loss
B. climate changeD． burning ethanol

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