Everyone has a right to hold his own opinion.
Free expression of opinions often leads to confusion.
Most people tend to be careless in forming their opinions.
Casual use of the word “opinion” often brings about quarrels.
多选题If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)Ap + q is evenBpq is oddCp2-q2 is even
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多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular
多选题Which of the following statements are true? (Indicate all such statements.)Aτ(5) =τ(7)Bτ(5) τ(7) =τ(35)Cτ(5) + τ(7) =τ(12)
单选题Which of the following statements is true according to the passage?A Many people protested in the past six months.B Many people threw tomatoes at the German Chancellor.C Many people threw eggs at an important member of the German Chancellor’s Social Democrats.D Many people threw eggs at the German Chancellor, but he was not hit.
单选题Which of the following statements is true according to the passage?A Earthquake destruction is declining.B Earthquake forecast is improving.C Man is no longer fearful of earthquakes.D Man is capable of conquering earthquakes.
单选题Which of the following statements is true according to the passage?A The address system was used to make web pages.B The World Wide Web was created in Switzerland.C The fist web browser was very expensive to buyD Many people could use the Internet before 1990
单选题Which of the following statements is NOT true according to the passage?A Natural disasters can account for disappearance of languages.B The acceleration of language death didn’t start until 200 years ago.C The study is conducted with the financial support of UNESCO.D The language of Ainu was long neglected before the late l980s.
