1.
(8
鍒?/p>
)(2018路
瀹夐『鏀圭紪
)
灏忔槑鍚屽鍦ㄦ祴瀹氭恫浣撳瘑搴︾殑瀹為獙涓紝
娌℃湁鎶婂鍣ㄧ殑璐ㄩ噺娴嬪嚭
鏉ワ紝鑰屾槸澶氭娴嬪嚭瀹瑰櫒鍜屾恫浣撶殑鎬昏川閲忥紝骞惰褰曞湪涓嬭〃涓紟姹傦細
瀹為獙娆℃暟
1
2
3
4
娑蹭綋浣撶Н
V/cm
3
15
22
50
80
娑蹭綋鍜屽鍣ㄧ殑鎬昏川閲?/p>
m
/g
67
72.6
95
119
(1)
娑蹭綋鐨勫瘑搴︽槸澶氬皯
g/cm
3?
(2)
瀹瑰櫒鐨勮川閲忔槸澶氬皯鍏嬶紵
1..
(1)0.8
g
/
cm
3
(2)55
g
瑙ｆ瀽锛?/p>
鐢遍鎰忓緱
蟻V
1
锛?/p>
m
瀹?/p>
锛?/p>
m
1
鈶狅紝
蟻V
3
锛?/p>
m
瀹?/p>
锛?/p>
m
3
鈶★紝浜?/p>
寮忚仈绔嬪彲寰?/p>
m
3
锛?/p>
m
1
锛?/p>
蟻V
3
锛?/p>
蟻V
1
锛屾墍浠ユ恫浣撳瘑搴︿负
蟻
锛?
m
3
锛?/p>
m
1
V
3
锛?/p>
V
1
锛?/p>
95 g
锛?/p>
67 g
50 cm
3
锛?/p>
15 cm
3
锛?/p>
0.8 g/cm
3
锛?/p>
浠ｅ叆鈶犲紡鍙緱
m
瀹?/p>
锛?/p>
m
1
锛?/p>
蟻V
1
锛?/p>
67 g
锛?/p>
0.8
g/cm
3
脳
15
cm
3
锛?/p>
55 g.
2.
(2018路
绂忓缓
)
寰堝鍚屽鐭ラ亾鑷繁鐨勮韩楂樺拰浣撻噸锛?/p>
鍗翠笉鐭ラ亾鑷繁鐨勪綋绉紟
鏌愬悓瀛﹁韩楂?/p>
170
cm
锛屼綋閲?/p>
60
kg
锛屼粬鐨勪綋绉害涓?/p>
(
)
A.
0.006
m
3
B.
0.06
m
3
C.
0.6
m
3
D.
6
m
3
2.
B
瑙ｆ瀽锛?/p>
鏌愬悓瀛︾殑璐ㄩ噺
m
锛?/p>
60
kg
锛屼汉鐨勫瘑搴?/p>
蟻
鈮?/p>
蟻
姘?/p>
锛?/p>
1.0
脳
10
3
kg/m
3
锛屾牴鎹?/p>
蟻
锛?/p>
m
V
鍙緱浠栫殑浣撶Н锛?/p>
V
锛?/p>
m
蟻
锛?/p>
60
kg
1
脳
10
3
kg/m
3
锛?/p>
0.06
m
3
.
3.
(2018路
骞胯タ
)
鐢层�佷箼涓ょ鐗╀綋鐨勮川閲忓拰浣撶Н鐨勫叧绯诲浘鍍忓鍥炬墍绀猴紝鍒欑敳銆佷箼涓ょ墿浣撶殑
瀵嗗害涔嬫瘮鏄?/p>
(
)
A.
8
鈭?/p>
1
B.
4
鈭?/p>
3
C.
4
鈭?/p>
1
D.
2
鈭?/p>
1
,
(
绗?/p>
8
棰?/p>
))
3.
A
瑙ｆ瀽锛?/p>
鐢卞浘鍍忓彲鐭ワ紝褰?/p>
V
鐢?/p>
锛?/p>
1
cm
3
鏃讹紝
m
鐢?/p>
锛?/p>
8
g
锛涘綋
V
涔?/p>
锛?/p>
4
cm
3
鏃讹紝
m
涔?
锛?/p>
4
g
锛屽垯涓ょ鐗╀綋鐨勫瘑搴﹀垎鍒负锛?/p>
蟻
鐢?/p>
锛?/p>
m
鐢?/p>
V
鐢?/p>
锛?/p>
8 g
1 cm
3
锛?/p>
8
g/cm
3
锛?/p>
蟻
涔?/p>
锛?/p>
m
涔?/p>
V
涔?/p>
锛?/p>
4 g
4 cm
3
锛?/p>
1
g/cm
3
锛屽垯
蟻
鐢?/p>
鈭?/p>
蟻
涔?/p>
锛?/p>
8
g/cm
3
鈭?/p>
1
g/cm
3
锛?/p>
8
鈭?/p>
1.
鏁呴�?/p>
A.
4.
(2018路
鑿忔辰
)
灏忎附鐢ㄥぉ骞冲拰閲忕瓛绛夊櫒鏉愭祴閲忓皬鐭冲潡鐨勫瘑搴︼紝
濡傚浘鎵�绀猴紝
鐭冲潡鐨勮川閲忔槸
________g
锛岀煶鍧楃殑浣撶Н鏄?/p>
________cm
3
锛岀煶鍧楃殑瀵嗗害鏄?/p>
________g/cm
3
.