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【判断题】
每克糖类储存的能量比每克脂肪储存的的能量要少。 [     ]
A.
正确
B.
错误
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【判断题】角接触轴承的接触角α越大，表示其能承受的轴向载荷就越大。
A.
正确
B.
错误
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【判断题】角接触球轴承的接触角值越大，表示其承受轴向力的能力越大
A.
正确
B.
错误
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【单选题】From Paragraph 3 we can learn that ______.
A.
the 14-year-old son did not enjoy his work
B.
without money you never make education choices
C.
most Gen-Xers wanted to change their college plans
D.
most Gen-Xers did not change their college plans
查看完整题目与答案
【单选题】From paragraph 3 we know the author's room-mate_________.
A.
didn't pay any money.
B.
became his good friends.
C.
helped him a lot.
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【单选题】使用裂隙灯弥散投照法时投射与观察夹角可用的度数是
A.
90°
B.
70°
C.
15°
D.
40°
查看完整题目与答案
【判断题】角接触轴承的接触角 越大,表示其能承受的轴向载荷就越大。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From paragraph 3 we know the author' s room-mate ( ).
A.
did n't pay any money
B.
became his good friend
C.
helped him a lot
查看完整题目与答案
【单选题】From paragraph 3 we know the author's room-mate ________.
A.
didn't pay any more
B.
became his good friend
C.
helped him a lot
查看完整题目与答案
【单选题】世界上最早的药物著作是
A.
《本草纲目》
B.
《本草纲目拾遗》
C.
《神农本草经》
D.
《新修本草》
E.
《纽伦堡药典》
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【简答题】夹竹桃科植物花冠喉部具有______，花冠裂片______排列，花药常呈______，种子常具______。
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【判断题】角接触轴承的接触角α越大，表示其能承受的轴向载荷就越大。
A.
正确
B.
错误
查看完整题目与答案
【判断题】角接触球轴承的接触角值越大，表示其承受轴向力的能力越大
A.
正确
B.
错误
查看完整题目与答案
【单选题】From Paragraph 3 we can learn that ______.
A.
the 14-year-old son did not enjoy his work
B.
without money you never make education choices
C.
most Gen-Xers wanted to change their college plans
D.
most Gen-Xers did not change their college plans
查看完整题目与答案
【单选题】From paragraph 3 we know the author's room-mate_________.
A.
didn't pay any money.
B.
became his good friends.
C.
helped him a lot.
查看完整题目与答案
【单选题】使用裂隙灯弥散投照法时投射与观察夹角可用的度数是
A.
90°
B.
70°
C.
15°
D.
40°
查看完整题目与答案
【判断题】角接触轴承的接触角 越大,表示其能承受的轴向载荷就越大。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From paragraph 3 we know the author' s room-mate ( ).
A.
did n't pay any money
B.
became his good friend
C.
helped him a lot
查看完整题目与答案
【单选题】From paragraph 3 we know the author's room-mate ________.
A.
didn't pay any more
B.
became his good friend
C.
helped him a lot
查看完整题目与答案
【单选题】世界上最早的药物著作是
A.
《本草纲目》
B.
《本草纲目拾遗》
C.
《神农本草经》
D.
《新修本草》
E.
《纽伦堡药典》
查看完整题目与答案
【简答题】夹竹桃科植物花冠喉部具有______，花冠裂片______排列，花药常呈______，种子常具______。
查看完整题目与答案