对T10的说法正确的是（）

[单选题]对T10说法正确的是（）A . 是优质碳素结构钢B . 碳素工具钢.C . 碳素结构钢D . 铸造碳素钢

[单选题](T10)A．POSITIVEB．BEHINDC．RESULT A.AFRAID THEIR COUNTRIES WILL BE LEFT(T7)______B．WHAT WAS LESS VISIBLE THEN, HOWEVER, WERE THE NEW,(T8)______FORCESC．AS A(T9)______ A GREAT DEAL OF ATTENTION IS BEING PAID TODAY TO THE SO-CALLED DIGITAL DIVIDE—THE DIVI

[单选题](T10)A．PROPERTYB．RUNC．ON A.ALL OTHER FORMS OF TOBACCO(T7)______SCHOOL GROUNDSB．IF THEY"RE ON SCHOOL(T8)______C．SMOKERS ARE BEING(T9)______NOT JUST OUT OF SCHOOL BUILDINGS AT MANY COLLEGES,(T10)______BUT OFF THE PREMISES.ON NOV.19,THE UNIVERSITYOF KE

[单选题](T10)A．DEFENDINGB．UPC．COPE A.KEEP LIVING(T7)______TO THAT IMAGEB．IF YOU CAN(T8)______WITH THREE DAYS RUNNINGC．WAYS OF(T9)______AN IDEA WHAT YOU DESCRIBE IS A HABIT OF LYING THAT IS MORE SERIOUS THAN THIS.I SUSPECT THAT THELIES YOU TELL ARE(T10)______

[单选题](T10)A．CHANGINGB．ALLOWED ONTOC．BROKERS A.WOMEN SHOULD BE(T7)______THE NEW TRADING FLOORB．WERE NOT(T8)______OR JOBBERSC．THE WORLD IS(T9)______DAY BY DAY THE LONDON STOCK EXCHANGE HAS BEEN FAMOUS AS A PLACE FOR MEN ONLY, AND WOMENUSED TO BE STRICTLY FO

[单选题](T10)A．WARNB．AWAYC．OUT A.MEN AND ANIMALS MIGHT SOON DIE(T7)______B．THEIR HANDS WERE BURNT(T8)______C．FEAR WOULD NOT(T9)______IT TO KEEP AWAY FROM THE FIRE FEAR AND ITS COMPANION PAIN ARE TWO OF THE MOST USEFUL THINGS THAT MEN AND ANIMALS POSSESS, IF

[单选题]T8、T10是（）钢。A .高速钢B .合金钢C .碳素工具钢D .空冷钢

[单选题]T10钢属于（）。A . 碳素结构钢B . 优质碳素结构钢C . 碳素工具钢D . 合金工具钢

[判断题] T10钢的含碳量为10%。A . 正确B . 错误

[判断题] T10钢号中的“T”表示的是特殊钢。A . 正确B . 错误