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【单选题】
病媒生物防制的基本策略是( )。A.
物理防制
B.
化学防制
C.
环境防制
D.
综合防制
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举一反三
【简答题】Who _______ (dance) the best in your class?
【单选题】There are on my desk.
A.
three paper
B.
three pieces of papers
C.
three pieces of paper
D.
three papers
【单选题】Who is not expected to pay the bill when someone's birthday is celebrated?
A.
The friends who come to celebrate the birthday.
B.
The person whose birthday it is.
C.
The person's parents.
D.
The person's boyfriends or girlfriends.
【单选题】There are_____on my desk.
A.
three box of potato
B.
three box of potatoes
C.
three boxes of potato
D.
three boxes of potatoes
【简答题】我父亲以前到过长城。
【简答题】Who do you suggest ___________ (send) to work there?
【单选题】There are ______ on my desk.
A.
three papers
B.
three pieces of paper
C.
three paper
D.
three pieces of papers
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