题目内容
（请给出正确答案）
A、A. similarities
B、B. stress
C、C. differences
D、D. harmful chemicals
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A、is used
B、be used
C、are used
D、was used
Ancient man attempted to change the weather by using magic. While experience taught him this was impossible, __1__he tried to forecast weather conditions. Even earlier in __2__1000 B.C.there were weather seers in Babylon----and priests clever enough to denounce as frauds those predicted __3__the weather a year in the advance. Some forecasters used __4__methods that seemed to take no connection with the actual __5__factors controlled the weather. Chickens and other animals __6__were sacrificed and their intestines poked to find signs indicating rain and drought. Somewhat more scientific were __7__predictions based on vegetation:"Onion's skin very thin ,mild weather coming in. Onion's skin thick and tough, coming weather is cold and rough." Insects and animals were also __8__favorite weather clues: "Before the glowworm lights his __9__lamp , then the air is always damp ." "If spiders their cobwebs forsake , the weather will for certain break ." "If frogs remained in pools , the weather will be fine . If they were seen on rocks, __10__rain and cold were due." It's difficult to say whether this rhyme should be taken seriously : " Hark , I hear the asses bray . Me thinks we'll have some rain today .
A、A. more bicycles than automobiles in the United States
B、B. more automobiles than bicycles in the United States
C、C. as many bicycles as automobiles in the United States
D、D. fewer automobiles than bicycles in the United States
A、A. Chemicals produced during weeping cause high blood pressure.
B、B. Chemicals produced during weeping harm digestion.
C、C. Chemicals produced during weeping increase heartbeat.
D、D. Chemicals produced during weeping harm eyes.
A、A. true
B、B. false
C、C. not proven
D、D. unreasonable
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