单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Which of the following is CORRECT

A．1% people never cleaned their keyboard.
B．One in five never cleaned their mouse.
C．More than 46% people cleaned their keyboard once a month.
D．To clear out bugs, the users must turn and shake the keyboar
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单项选择题
According to the conversation, we can infer that ______.
A．The man is good at cooking
B．The woman is good at chopping vegetables
C．The meat will be very spicy
D．The man will make her specialty for dinner
单项选择题
What does their father mean by There is gold hidden in the orchard. Dig for it, if you wish it
A．The farmer buried a pot of gold in the orchard.
B．Three sons can dig gold if they need.
C．Three sons can find gold if they wish.
D．If three sons work hard in the orchard, it will bring a pot of gold in the harvest tim
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