单项选择题The only chamber of the New Zealand parliament is______.
单项选择题If, in making a vowel sound, tile organs of speech remain in one position without moving to another, the result is a______.
单项选择题In Britain the last stage for a bill to become law as Acts of parliament' is called______.
单项选择题Which of the following is the best solution to the problems mentioned in the passage
单项选择题Which of the following is practical but only makes a marginal contribution to solving the problem of greenhouse emissions