It is implied in the second paragraph that ______.
A. a genetic factor is the main factor to develop high blood pressure
B. amount of salt eating is an important factor to develop high blood pressure
C. the rate to develop high blood pressure lies in the reaction to salt
D. high blood pressure can be affected by mating
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On the third Thursday Mrs. Clarke went out ______.
A. because she didn't want to miss the club again
B. to see if the thief was hanging about outside
C. to the club but then changed her mind
D. in an attempt to trick the thief
英国心理学家培因把人的性格分为理智型、情绪型和()型。
A. 经济
B. 理论
C. 意志
D. 独立
The lock on the front door was one which ______.
A. needed a piece of wire to open it
B. could be opened from outside without a key
C. couldn't be opened without a key
D. used a knob instead of a key
If someone had made a forced entry ______.
A. Mrs. Clarke would have found a broken door or window
B. he or she was still in the house
C. things would have been thrown about
D. he or she would have needed a master key
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