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【简答题】
用乙烯、甲苯、E三种原料合成高分子药物M和有机中间体L的路线如下： 已知： Ⅲ．L是六元环酯，M的分子式是（C 15 , H l6 O 6 ） n 。 回答下列问题： （1）B中官能团的名称是 ，H→J的反应类型是 。 （2）D的结构是 。 （3）F→G的化学反应方程式是 。 （4）K→M属于加聚反应，M的结构是 。 （5）写出K与足量NaOH溶液共热的化学反应方程式 。 （6）写出符合下列条件的C的所有同分异构体的结构： 。 ①属于芳香族化合物； ②能发生反应； ③核磁共振氢谱有4组峰，且峰面积之比为1：1：2：2。
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【简答题】若首项为a 1 ，公比为q的等比数列{a n }的前n项和总小于这个数列的各项和，则首项a 1 ，公比q的一组取值可以是（a 1 ，q）=______．
【单选题】听力原文： Good morning. First I' d like to welcome all of you to this workshop on student housing. I' 11 go through the information about types of housing available for the fall and later hand out applica...
A.
Find a roommate.
B.
Hand in applications.
C.
Go to Spanish house.
D.
Buy a meal ticket for the cafeteria.
【单选题】听力原文：M: We'll go for an outing tomorrow. Would you like to join us? W: I' d like to, but I think it' s going to rain. The temperature is dropping. M: You can' t be right. The weather forecast says fin...
A.
Because she is afraid of bad weather.
B.
Because the temperature is too low.
C.
Because the weather forecast predicts bad weather.
D.
Because outings are risky.
【单选题】Have you got any books on the computer? I' d like to borrow.
A.
them
B.
some
C.
it
D.
those
【简答题】若首项为a 1 ，公比为q的等比数列的前n项和总小于这个数列的各项和，则首项a 1 ，公比q的一组取值可以是（a 1 ，q）=（ ）。
【简答题】设数列8，a 2 ，a 3 ，a 4 是等比数列，其公比q不是整数，且q＞1，则这个数列中a 4 可取到的最小值为______．
【单选题】—Do you feel like______there or shall we take a bus—I' d like to walkBut since there isn' t much time left , I' d rather you______a taxi.
A.
walking, hire
B.
to walk, hire
C.
walking , hired
D.
to walk, hired
【单选题】听力原文： Now I' d like to talk to you about the final exam. The exam will be held next Thursday, the last day of the exam week. Remember to bring along two or three pens in case you run out of ink. Unlik...
A.
On a Tuesday.
B.
On a Wednesday.
C.
On a Thursday.
【单选题】How do you go to the Summer Palace ? We go there ____ bike .
A.
for
B.
at
C.
of
D.
by
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