正确答案: D

①②④

题目：三北防护林带地跨：①西北 ②东北 ③长江以北 ④华北

解析：D

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举一反三的答案和解析：

[单选题]9． ___________ of them has any great ability．

None

[单选题]If Simon is feeling stressed， he should __________ . 

make a plan for study and hobbies

[单选题]What is NOT the purpose of this music program？

To give a complete background to the music.

[单选题]The words and music of Auld Lang Syne we know today first appeared ___________

In 1799.

[单选题]根据语境,下面加点字注音错误的一项是

腰鼓发出的沉重响声,碰撞在遗落了一切冗(rǒng)杂的观众心上,观众的心也蓦(mù)然变成了牛皮鼓面,也是隆隆、隆隆的。

解析：“蓦”应为“mò