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【单选题】

What'syourname?

[ ]

A.
mothers'
B.
mother
C.
mothers
D.
mother's
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【单选题】—What ______you _____? —I am ______my sister. [ ]
A.
do, do, babysit
B.
are, doing, babysit
C.
did, do, babysitting
D.
are, doing, babysitting
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【简答题】读一读，写一写。抄写下列单词。river _________________________________________________flower ________________________________________________grass _________________________________________________lake _______________...
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【简答题】已知椭圆C：x2a2+y2b2=1(a＞b＞0)经过点A（2，1），离心率为22．过点B（3，0）的直线l与椭圆C交于不同的两点M，N．（Ⅰ）求椭圆C的方程；（Ⅱ）求BM?BN的取值范围；（Ⅲ）设直线AM和直线AN的斜率分别为kAM和kAN，求证：kAM+kAN为定值．
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【单选题】The students like playing rather than ______. [ ]
A.
read
B.
reading
C.
to read
D.
reads
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【单选题】We have a Christmas______ at Christmas?[ ]
A.
tree
B.
flower
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【单选题】——The birdwatching is very boring, isn’t it?——_____________ ．I only see few birds.——The birdwatching is very boring, isn’t it?——_____________ . I only see few birds.
A.
Yes, it isn’t
B.
Yes, it is.
C.
No, it is.
D.
No, it isn’t.
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【单选题】— Why on earth didn't you answer the phone? — I'm terribly sorry, but the doorbell _____, too. [ ]
A.
is ringing
B.
rang
C.
was ringing
D.
has rung
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【单选题】三棱柱ABC-A1B1C1中，M、N分别是BB1、AC的中点，设AB=a，AC=b，AA1=c，则NM等于（　　）
A.
a+12(c-b)
B.
12(a+b-c)
C.
12(a+c)
D.
12(a+b+c)
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【单选题】市场领导者保护其市场份额的途径是( )。
A.
以攻为守
B.
增加使用量
C.
转变未使用者
D.
寻找新用途
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【简答题】听录音，选出你所听到的单词或词组。( )1. A. spring ( )2. A. cool ( )3. A. flowers ( )4. A. put on ( )5. A. jacket B. summerB. fallB. leavesB. take offB. sweater C. winterC. windC. trees C. wear C. pants
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