2019
骞存俯宸炰腑瀛︽彁鍓嶆嫑鐢熸ā鎷熺瀛﹁瘯鍗?/p>
涔濆勾绾х瀛?/p>
鑰冪敓椤荤煡锛?/p>
1
锛庢湰鍗?/p>
g
鍙?/p>
10N/kg
銆?/p>
2
锛庢湰鍗峰彲鑳界敤鍒扮殑鐩稿鍘熷瓙璐ㄩ噺锛?/p>
H-1
锛?/p>
C-12
锛?/p>
Mg-24
锛?/p>
O-16
锛?/p>
Zn-65
锛?/p>
Ca-40
锛?/p>
Fe-56
锛?/p>
H-1,S-32
璇曢鍗封厾
涓�銆侀�夋嫨棰?/p>
(
鏈ぇ棰樺叡鏈?/p>
15
灏忓皬棰橈紝姣忓皬棰?/p>
4
鍒嗭紝
11~15
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
55
鍒嗭紝璇烽�夊嚭姣忓皬棰樹腑涓�涓?
绗﹀悎棰樻剰鐨勯�夐」锛屼笉閫夈�侀�夐敊鍧囦笉缁欏垎
)
1
锛庡鍥炬墍绀虹殑鍣ㄥ叿锛屽睘浜庣渷鍔涙潬鏉嗙殑鏄?/p>
( )
A
锛庨挀楸肩
B
锛庣緤瑙掗敜
C
锛庣瀛?/p>
D
锛庢壂甯?/p>
2
锛庡鍥炬墍绀猴紝鐢叉槸鍘嬬缉绌烘皵鍙戠儹鐨勫疄楠岀ず鎰忓浘銆備箼銆佷笝鏄洓鍐茬▼姹芥补鏈哄伐浣滆繃绋嬩腑鐨勪袱涓啿绋嬬ず鎰忓浘锛屽叾
涓伐浣滃師鐞嗕笌鍥剧敳涓�鑷寸殑鏄?/p>
(
)
A
锛庝箼锛屽畠鏄帇缂╁啿绋?/p>
B
锛庝箼锛屽畠鏄仛鍔熷啿绋?/p>
C
锛庝笝锛屽畠鏄帇缂╁啿绋?/p>
D
锛庝笝锛屽畠鏄仛鍔熷啿绋?/p>
3
锛庡涓嬪浘涓烘煇鍙嶅簲鐨勫井瑙傜ず鎰忓浘锛屼笉鍚岀殑鐞冧唬琛ㄤ笉鍚屽厓绱犵殑鍘熷瓙锛屼笅鍒楄娉曢敊璇殑
( )
A
锛庤鍙嶅簲鐨勫弽搴旂墿鍙兘灞炰簬姘у寲鐗?/p>
B
锛庝笉鑰冭檻鍙嶅簲鏉′欢鏃讹紝璇ュ浘绀哄彲浠ヨ〃绀哄弻姘ф按鍒跺彇姘ф皵鐨勫弽搴?/p>
C
锛庤鍙嶅簲绫诲瀷涓哄垎瑙ｅ弽搴?/p>
D
锛庤鍙嶅簲鐢熸垚鐗╅兘灞炰簬鍖栧悎鐗?/p>
4
锛庡皢绛夎川閲忕殑闀佸拰閾佸垎鍒斁鍏ョ瓑璐ㄩ噺銆佺浉鍚岃川閲忓垎鏁扮殑绋�鐩愰吀涓紝浜х敓姘㈡皵鐨勮川閲忓弽搴旀椂闂寸殑鍏崇郴濡備笂鍥?/p>
鎵�绀猴紝涓嬪垪璇存硶閿欒鐨勬槸锛?/p>
锛?/p>
A
锛庡弽搴旂粨鏉熷悗闀佷竴瀹氭湁鍓╀綑
B
锛庡弽搴旀秷鑰楃洂閰哥殑鎬昏川閲忎竴瀹氱浉绛?/p>
C
锛?/p>
0
锛?/p>
t
1
鏃舵锛屼骇鐢熸阿姘旂殑璐ㄩ噺闀佹瘮閾佸ぇ
D
锛?/p>
0
锛?/p>
t
2
鏃舵锛屽弬鍔犲弽搴旂殑闀佺殑璐ㄩ噺涓庨搧鐩哥瓑
5.
涓嬪垪瀹為獙鎿嶄綔鑳借揪鍒板疄楠岀洰鐨勬槸
( )