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【单选题】
以下对钩端螺旋体致病性描述错误的是A.
钩端螺旋体侵入人体后可引起钩体血症
B.
钩端螺旋体有较强侵袭力，可侵犯人体肝、肾、肺、脑及肌肉组织等
C.
钩端螺旋体的主要致病物质有溶血素、细胞毒因子、内毒素样物质
D.
钩端螺旋体病可通过性接触传播
E.
人主要通过接触钩端螺旋体污染的土壤或水源而被感染
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举一反三
【单选题】September 10th is _______________. [ ]
A.
Teacher's Day
B.
Teachers' Day
C.
Teachers Day
D.
the teacher's Day
【单选题】We plan to ________ a short play on Teachers’ Day. 。
A.
put off
B.
put on
C.
put down
D.
put away
【单选题】I understand ______ preparation that staff must put in under pressure to meet the deadline.
A.
more than the enormous amount of
B.
better than most the enormous number of
C.
better than most the enormous amount of
D.
fewer than the number of
【单选题】“If you are to succeed, you must put your shoulder to the wheel.' my head teacher _______ says to the class.
A.
curiously
B.
consequently
C.
confidently
D.
constantly
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