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【单选题】
对于蜗杆传动进行热平衡计算,其主要目的是为了()A.
防止润滑油受热膨胀后外溢，造成环境污染
B.
防止润滑油温度过使润滑条件恶化
C.
防止蜗轮材料在高温下机械性能下降
D.
防止蜗杆蜗轮发生热变形后，正确啮合受到破坏 防止蜗杆蜗轮发生热变形后，正确啮合受到破坏
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【简答题】the state of being polluted = ________ (n.)
【单选题】We know from the passage that ________.
A.
the state of Minnesota is considering drawing up laws to protect private information
B.
most states are turning a blind eye to the deceptive practices of private businesses
C.
legislators are acting to pass a law to provide better privacy protection
D.
lawmakers are inclined to give a free hand to businesses to inquire into customers’ buying habits
【简答题】state-->n.
【单选题】We students are supposed to know how we should ourselves to surewe are in the proper mental state.
A.
adjust; making
B.
adjust;make
C.
adopt;making
D.
adopt;make
【简答题】n. the state of being continuous
【单选题】He seemed in such an inconsolable state that I didn't know whether to leave or stay.
A.
distracted
B.
enraged
C.
overjoyed
D.
brokenhearted
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