...
WORD
鏍煎紡鍙紪杈戠増
2018
骞存睙鑻忕渷杩炰簯娓競涓�冩暟瀛﹁瘯鍗?/p>
涓�銆侀�夋嫨棰?/p>
(
鏈ぇ棰樺叡
8
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
24
鍒?/p>
鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤规槸绗﹀悎棰樼洰瑕佹眰鐨勶紝璇峰皢姝ｇ‘閫?/p>
椤瑰墠鐨勫瓧姣嶄唬鍙峰～娑傚湪绛旈鍗＄浉搴斾綅缃笂
)
1
锛?/p>
(3
鍒?/p>
)
锕?/p>
8
鐨勭浉鍙嶆暟鏄?/p>
(
)
A
锛庯梗
8
B
锛?/p>
1
8
C
锛?/p>
8
D
锛庯梗
1
8
2
锛?/p>
(3
鍒?/p>
)
涓嬪垪杩愮畻姝ｇ‘鐨勬槸
(
)
A
锛?/p>
x
锕?/p>
2
x
=
锕?/p>
x
B
锛?/p>
2
x
锕?/p>
y
=
锕?/p>
xy
C
锛?/p>
x
2
+
x
2
=
x
4
D
锛?/p>
(
x
锕?/p>
1)
2
=
x
2
锕?/p>
1
3
锛?/p>
(3
鍒?/p>
)
鍦扮悆涓婇檰鍦扮殑闈㈢Н绾︿负
150 000 000
km
2
锛庢妸
鈥?50 000 000鈥?/p>
鐢ㄧ瀛﹁鏁版硶琛ㄧず涓?/p>
(
)
A
锛?/p>
1.5脳
10
8
B
锛?/p>
1.5脳
10
7
C
锛?/p>
1.5脳
10
9
D
锛?/p>
1.5脳
10
6
4
锛?/p>
(3
鍒?/p>
)
涓�缁勬暟鎹?/p>
2
锛?/p>
1
锛?/p>
2
锛?/p>
5
锛?/p>
3
锛?/p>
2
鐨勪紬鏁版槸
(
)
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
5
5
锛?/p>
(3
鍒?/p>
)
濡傚浘锛屼换鎰忚浆鍔ㄦ鍏竟褰㈣浆鐩樹竴娆★紝褰撹浆鐩樺仠姝㈣浆鍔ㄦ椂锛屾寚閽堟寚鍚戝ぇ浜?/p>
3
鐨勬暟鐨勬鐜囨槸
(
)
A
锛?/p>
2
3
B
锛?/p>
1
6
C
锛?/p>
1
3
D
锛?/p>
1
2
6
锛?/p>
(3
鍒?/p>
)
濡傚浘鏄敱
5
涓ぇ灏忕浉鍚岀殑姝ｆ柟浣撴惌鎴愮殑鍑犱綍浣擄紝杩欎釜鍑犱綍浣撶殑淇鍥炬槸
(
)
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?
7
锛?/p>
(3
鍒?/p>
)
宸茬煡瀛︽牎鑸ā缁勮璁″埗浣滅殑鐏鐨勫崌绌洪珮搴?/p>
h
(
m
)
涓庨琛屾椂闂?/p>
t
(
s
)
婊¤冻鍑芥暟琛ㄨ揪寮?/p>
h
=
锕?/p>
t
2
+24
t
+1
锛?/p>
鍒欎笅鍒楄娉曚腑姝ｇ‘鐨?/p>
鏄?/p>
(
)
A
锛庣偣鐏悗
9
s
鍜岀偣鐏悗
13
s
鐨勫崌绌洪珮搴︾浉鍚?/p>
B
锛庣偣鐏悗
24
s
鐏钀戒簬鍦伴潰
C
锛庣偣鐏悗
10
s
鐨勫崌绌洪珮搴︿负
139
m
D
锛庣伀绠崌绌虹殑鏈�澶ч珮搴︿负
145
m
8
锛?/p>
(3
鍒?/p>
)
濡傚浘锛岃彵褰?/p>
ABCD
鐨勪袱涓《鐐?/p>
B
銆?/p>
D
鍦ㄥ弽姣斾緥鍑芥暟
y
=
饾憳
饾懃
鐨勫浘璞′笂锛屽瑙掔嚎
AC
涓?/p>
BD
鐨勪氦鐐规伆濂芥槸鍧愭爣鍘熺偣
O
锛屽凡鐭?
鐐?/p>
A
(1
锛?/p>
1)
锛?/p>
鈭?/p>
ABC
=60掳
锛屽垯
k
鐨勫�兼槸
(
)
