03-01-02 03-01-09 03-01-13 语法题请教

2. By using their trunks, elephants can tell the shape of an object and ........ is rough or smooth, or hot or cold B

(A) it

(B) whether it

(C) how

(D) since it

答案B 为什么要加whether呢

？9. The chemical composition of sandstone is the same as ….....

(A) that of sand

(B) that sand is

(C) sand is that

(D) what of sand

做的时候就不太确定是A还是D 结果还是做错了 为什么用that 而不是what呢 答案A

13. In western North America, …...... form the Great Divide, which separates the areas from which waters flow either eastward to the Atlantic or westward to the Pacific.

(A) the Rocky Mountains

(B) where the Rocky Mountains

(C) the Rocky Mountains in which

(D) there are the Rocky Mountains

也是做的时候不肯定 选了D 答案A

2.tell whether

9.that 指代The chemical composition,what 好象没这种指代作用吧?

13如果是D需要在montains后面加上which或that吧.

呵呵 谢谢斑竹 明白了

因为周末就考了 现在每天一套真题 所以问题很多 麻烦了

Question 9 is a typical comparison, We should engrave it in our minds clearly and repeat it again and again.

"The same as ...',when we see the phrase, mostly follows "that of (n)". the construce must be symmetric, such as: "composition of sandstone" and "that of sand".

Good luck to Apricot!