11 }
ͷxcĿ()֮()
A.
B.
C.
D.ӻ
_𰸣C,
12 }
P(gun)ĿĹ̼g(sh)(jng)(j)Уõ()ͷıx
A.
B.ӻ
C.(d)
D.
_𰸣D,
13}
ڃF(xin)ֵԣF(xin)ֵ()҃F(xin)ֵķ(yu)
A.<0
B.0
C.>0
D.0
_𰸣D,
14 }
ڃHлHӋM(fi)ìF(xin)ĻֻⷽM(jn)ЧzyЄe(zhn)tǣM(fi)ìF(xin)ֵ()ߞ(yu)
A.
B.
C.С
D.
_𰸣C,
15 }
мұĂxӋڷքe1015꣬520F(xin)ڲӋС(sh)팢Ӌڽy(tng)һtӋڃ(ni)()؏(f)ʩΔ(sh)
A.
B.
C.
D.
_𰸣C,
16 }
fУP(gun)ڻⷽxĔ_()
A.F(xin)cЧ治ͬăɷӋɌNPVȡСM(jn)з
B.F(xin)cЧ治ͬăɷӋֱM(jn)в~
C.F(xin)cЧͬM(fi)òͬăɷӋڲɌM(fi)ֵPCȡM(jn)з
D.F(xin)cЧͬM(fi)òͬăɷӋڲɌM(fi)ACȡM(jn)з
_𰸣B,
17 }
ؔ(w)M(jn)ؔ(w)ӯؔ(w)(j)urĿ()
A.ؔ(w)
B.(jng)(j)
C.ؔ(w)L(fng)U
D.(jng)(j)L(fng)U
_𰸣A,
18}
ڽ(jng)IĿQ^У()ҪěQ(j)
A.ur
B.Yо
C.(jng)(j)Y(ji)Փ
D.ؔ(w)Y(ji)Փ
_𰸣D,
19 }
ڌ()M(jn)ؔ(w)(yng)M(jn)в_Է
A.о
B.
C.ʩMO(sh)Ӌ
D.Ŀh
_𰸣B,
20 }
ͶY()ؔ(w)ĻA(ch)
A.ͶYQ
B.Y
C.(jng)(j)
D.L(fng)U
_𰸣B,