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【单选题】
观察下列命题： （1）如果a＜0，b＞0，那么a+b＜0； （2）同角的补角相等； （3）同位角相等； （4）如果a 2 ＞b 2 ，那么a＞b； （5）有公共顶点且相等的两个角是对等角． 其中真命题的个数是（ ）A.
1
B.
2
C.
3
D.
4
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反馈参考答案：
举一反三
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
authority
B.
taciturnity
C.
maneuver
D.
generosity
E.
dissipation
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
inveigle
B.
approve
C.
employ
D.
appease
E.
broaden
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
defer
B.
direct
C.
stimulate
D.
invoke
E.
corroborate
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
peripheral element
B.
commencement
C.
conviction
D.
affliction
E.
gratuity
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
discussion
B.
excitement
C.
continuance
D.
certitude
E.
obedience
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
amicable
B.
redolent
C.
mischievous
D.
lavish
E.
somber
【单选题】SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in m...
A.
unacquaintedness
B.
conciseness
C.
rudeness
D.
reluctance
E.
obscurity
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