璇炬椂璺熻釜妫�娴嬶紙鍗佷笁锛?/p>
鎶涗綋杩愬姩
[A
绾р�斺�斿熀纭�灏忛缁冪啛缁冨揩
]
鈽?/p>
1.
(2016路姹熻嫃楂樿�?/p>
)
鏈?/p>
A
銆?/p>
B
涓ゅ皬鐞冿紝
B
鐨勮川閲?/p>
涓?/p>
A
鐨勪袱鍊嶃�傜幇灏嗗畠浠互鐩稿悓閫熺巼娌垮悓涓�鏂瑰悜鎶涘嚭锛?/p>
涓嶈绌烘皵闃诲姏銆傚浘涓憼涓?/p>
A
鐨勮繍鍔ㄨ建杩癸紝鍒?/p>
B
鐨勮繍鍔?/p>
杞ㄨ抗鏄?/p>
(
)
A
锛庘憼
B
锛庘憽
C
锛庘憿
D
锛庘懀
瑙ｆ瀽
:
閫?/p>
A
涓嶈绌烘皵闃诲姏鐨勬儏鍐典笅锛屼袱鐞冩部鍚屼竴鏂瑰悜浠ョ浉鍚岄�?/p>
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A
姝ｇ‘銆?/p>
鈽?/p>
2.
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A
銆?/p>
B
涓?/p>
鐐癸紝鍒拌揪
A
鐐规椂閫熷害鏂瑰悜涓庣珫鐩存柟鍚戠殑澶硅涓?/p>
60掳锛屽埌
杈?/p>
B
鐐规椂閫熷害鏂瑰悜涓庢按骞虫柟鍚戠殑澶硅涓?/p>
45掳銆傝川鐐硅繍鍔ㄥ埌
A
鐐逛笌璐?/p>
鐐硅繍鍔ㄥ埌
B
鐨勬椂闂翠箣姣旀槸
(
)
A.
1
3
B.
3
3
C.
2
3
D
锛庢潯浠朵笉澶燂紝鏃犳硶姹傚嚭
瑙ｆ瀽
:
閫?/p>
B
璁惧垵閫熷害澶у皬涓?/p>
v
0
锛屽皢
A
銆?/p>
B
涓ょ偣鐨勯�熷害鍒嗚В锛屽湪
A
鐐?/p>
:
tan(90掳锛?0掳)锛?/p>
v
Ay
v
0
锛?/p>
gt
A
v
0
锛?/p>
鍦?/p>
B
鐐?/p>
:
tan 45掳锛?/p>
v
By
v
0
锛?/p>
gt
B
v
0
锛?/p>
鐢变互涓婁袱寮忓彲姹傚緱
:
t
A
t
B
锛?/p>
tan 30掳
tan 45掳
锛?/p>
3
3
锛屾晠閫夐」
B
姝ｇ‘銆?/p>
鈽?/p>
3.
(2018路鍛间鸡璐濆皵涓�妯?/p>
)
濡傚浘鎵�绀猴紝
鍦ㄥ悓涓�骞冲彴涓婄殑
O
鐐规按骞?