题目内容
（请给出正确答案）
He is a leading authority___plant diseases.
A、on
B、about
C、for
D、of
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更多“He is a leading authority___pl…”相关的问题
He was one of the leading political ______ of this century.
A．figures
B．images
C．individuals
D．roles
Even though he was the leading candidate for the position, he continued to campaign______(像以往一样积极).
A.planning
B.organizing
C.leading
D.controlling
A．strengthened
B．won
C．hardened
D．united
According to the interviewer, which of the following statements is CORRECT？
A．Alexis engaged in show business when he was 20.
B．Alexis plays a leading role in every film he acts.
C．Alexis is an easy-going and passionate actor.
D．Alexis"s craft in acting needs to be improved.
The writer was happy when he reached Moshi because ______.
A．he had had no trouble so far
B．dawn was breaking and it would be easier to drive in daylight
C．he was hungry and could have breakfast in Moshi
D．the roads leading to the border were all flat
Billy: Yes, it is you! Now come over here and sit down. James, you were one of four children, and your father was a bus driver. Of course, your name was then Jason White.
Who is the host of the program？
A．Billy Smith.
B．James White.
C．Jason White.
The author seems to suggest that______.
A．only when Mr. Kerry is in power can we judge whether he is right in his policies
B．Mr. Kerry has not made powerful proposals in favor of his election campaign against Mr. Bush
C．Mr. Kerry always follows Mr. Bush in his foreign policy guidelines
D．Mr. Bush is still leading in the campaign
Which of the following statements best describes David Cameron？
A．Blocking to build a third runway is one of his strategies to help the Tory brand.
B．He proved that he could put polar bears before sharp-suited businessmen.
C．Building a new airport helped him win the seats in the Conservative party.
D．He realized Britain"s then leading role in reducing global carbon emissions.
