Reading ___the lines, we can get the message _ they are worried about their son.

A．between; that

B．behind ; that

C．a(chǎn)long; what

D．a(chǎn)mong; which

According to a recent research, many teenagers have no dreams         to lead a comfortable life.

A．rather than

B．more than

C．other than

D．less than

—May I have a word with you?
—________.I’m not busy, anyway.                        

A．By no means

B．By all means

C．By means of

D．By any means

You will see what great benefit the computers you own can be _____ every time we use them.

A． at

B．of

C．for

D．on

We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website.

A．regardless of

B．in addition to

C．in exchange for

D．a(chǎn)ccording to

The box is so heavy that he can’t lift it.       , he is only a little child.

A．At all

B．In all

C．First of all

D．After all

(8分)如圖，直線AB，CD分別與直線AC相交于點A，C，與
直線BD相交于點B，D．若∠1=∠2，∠3=75°，求∠4的度數(shù)．

(8分)“十年樹木，百年樹人”，教師的素養(yǎng)關(guān)系到國家的未來.我市某區(qū)招聘音樂
教師采用筆試、專業(yè)技能測試、說課三種形式進行選拔，這三項的成績滿分均為100分，并
按2:3:5的比例折合納入總分，最后，按照成績的排序從高到低依次錄取.該區(qū)要招聘2名音
樂教師，通過筆試、專業(yè)技能測試篩選出前6名選手進入說課環(huán)節(jié)，這6名選手的各項成績
見下表：

序號	1	2	3	4	5	6
筆試成績	66	90	86	64	65	84
專業(yè)技能測試成績	95	92	93	80	88	92
說課成績	85	78	86	88	94	85

（1）筆試成績的極差是多少？
（2）寫出說課成績的中位數(shù)、眾數(shù)；
（3）已知序號為1,2,3,4號選手的成績分別為84.2分，84.6分，88.1分，80.8分，請你判斷這六位選手中序號是多少的選手將被錄用？為什么？

(9分)如圖1，在△ABC中，AB=AC，D是底邊BC上的一點，BD>CD，將△ABC
沿AD剪開，拼成如圖2的四邊形ABDC′．
（1）四邊形ABDC′具有什么特點？
（2）請同學們在圖3中，用尺規(guī)作一個以MN，NP為鄰邊的四邊形MNPQ，使四邊形MNPQ具有上述特點（要求：寫出作法，但不要求證明）．

(9分)已知：ABCD的兩邊AB，AD的長是關(guān)于x的方程的兩個實數(shù)根．
（1）當m為何值時，四邊形ABCD是菱形？求出這時菱形的邊長；
（2）若AB的長為2，那么ABCD的周長是多少？