1
2017-2018
瀛﹀勾姹熻嫃鐪佸崡浜競鐜勬鍖轰竷骞寸骇锛堜笅锛夋湡涓暟瀛﹁瘯鍗?/p>
涓�銆侀�夋嫨棰?/p>
(
鏈ぇ棰樺叡
8
灏忛锛屾瘡灏忛
2
鍒嗭紝鍏?/p>
16
鍒嗭紝鍦ㄦ瘡灏忛鎵�缁欏嚭鐨勫洓涓?/p>
閫夐」涓紝鎭版湁涓�椤规槸绗﹀悎棰樺彛瑕佹眰鐨勶紝璇峰皢姝ｇ‘閫夐」鍓嶇殑瀛楁瘝浠ｅ彿娑傚湪绛旈鍗?/p>
鐩稿簲浣嶇疆涓婏級
1
锛?/p>
锛?/p>
2
鍒嗭級
DNA
鏄仐浼犵墿璐ㄨ劚姘ф牳绯栨牳閰哥殑鑻辨枃绠�绉帮紝
DNA
鍒嗗瓙鐨勭洿寰勫彧鏈?/p>
0.0000007cm
锛屽垯
0.0000007
鐢ㄧ瀛﹁鏁版硶琛ㄧず鏄紙
锛?/p>
A
锛?/p>
0.7
脳
10
锕?/p>
6
B
锛?/p>
7
脳
10
锕?/p>
6
C
锛?/p>
7
脳
10
锕?/p>
7
D
锛?/p>
70
脳
10
锕?/p>
8
2
锛?/p>
锛?/p>
2
鍒嗭級涓嬪垪璁＄畻姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
a
4
+a
3
=a
7
B
锛?/p>
a
4
鈥?/p>
a
3
=a
12
C
锛?/p>
锛?/p>
a
4
锛?/p>
3
=a
7
D
锛?/p>
a
4
梅
a
3
=a[
鏉?/p>
3
锛?/p>
锛?/p>
2
鍒嗭級
濡傚浘锛?/p>
鎶婁竴鍧楃洿瑙掍笁瑙掓澘鐨勭洿瑙掗《鐐规斁鍦ㄧ洿灏虹殑涓�杈逛笂锛?/p>
鑻?/p>
鈭?=34掳锛?/p>
鍒欌垹
2
鏄紙
锛?/p>
A
锛?4掳
B
锛?3掳
C
锛?6掳
D
锛?6掳
4
锛?/p>
锛?/p>
2
鍒嗭級鏈変笅鍒楀洓涓懡棰橈細鈶犲钩琛屼簬鍚屼竴鐩寸嚎鐨勪袱鏉＄洿绾垮钩琛岋紱鈶″湪鍚屼竴骞?/p>
闈㈠唴锛屽瀭鐩翠簬鍚屼竴鐩寸嚎鐨勪袱鏉＄洿绾垮钩琛岋紱鈶袱鏉＄洿绾胯绗笁鏉＄洿绾挎墍鎴紝鍚屼綅
瑙掔浉绛夛紱鈶ｈ繃涓�鐐规湁涓斿彧
鏈変竴鏉＄洿绾夸笌宸茬煡鐩寸嚎骞宠锛屽叾涓湡鍛介鐨勪釜鏁颁负
锛?/p>
锛?/p>
A
锛?/p>
1 B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
5
锛?/p>
锛?/p>
2
鍒嗭級涓嬪垪鍚勫紡涓嶈兘鐢ㄥ钩鏂瑰樊鍏紡璁＄畻鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
锛?/p>
a+b
锛?/p>
锛?/p>
a
锕?/p>
b
锛?/p>
B
锛?/p>
锛堬梗
a
锕?/p>
b
锛?/p>
锛?/p>
a+b
锛?/p>
C
锛?/p>
锛?/p>
a
锕?/p>
m
锛?/p>
锛堬梗
a
锕?/p>
m
锛?/p>
D
锛?/p>
锛?/p>
b+n
锛?/p>
锛?/p>
n
锕?/p>
b
锛?/p>
6
锛?/p>
锛?/p>
2
鍒嗭級
濡傚浘锛?/p>
鐐?/p>
E
鍦?/p>
BC
鐨勫欢闀跨嚎涓婏紝
涓嬪垪鏉′欢涓笉鑳藉垽鏂?/p>
AB
鈭?/p>
CD
鐨勬槸
锛?/p>
锛?/p>