单项选择题

Which of the following statements is true of fraternal twins

A．They have the same blood type.
B．They can be of different sexes.
C．They have the same genes.
D．They occur at random in the population.
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单项选择题
What's the woman's attitude toward the situation which the English language is in
A．Concerned.
B．Indifferent.
C．Condescending.
D．Agitate
单项选择题
Which of the following is NOT an evidence of some people's carelessness in daily communication
A．Their intonation is poor sometimes.
B．Their choice of words is poor.
C．Their speech is full of grammatical mistakes.
D．They fail to pronounce some words properly.
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