当直线l1与l2平行时,λ等于( ).
A、1
B、0
C、 
D、 一1
答案：C
解析：试题解析:本题考查的知识点为直线间的关系.
当直线l1与l2平行时,λ等于( ).
A、1
B、0
C、
D、 一1
答案：C
解析：试题解析:本题考查的知识点为直线间的关系.
解析：解析:
A. that
B. which
C. it
D. as
A. Do you like tea
B. Do you like a cup of tea
C. Would you like a cup of tea
D. What would you like to drink
A. so that
B. that
C. in order
D. for
A. had
B. be
C. were
D. is
解析：解析:虚拟语气的表现形式主要有两种。一种是改变时态,主要用于带if条件句的句子、as if 从句、wish后面的从句、It is time后面的从句。如:1.If I were you, I would take the job.2.If I had come yesterday, I would have gone for the picnic with you.3.In spite of the noise, he went on working as if nothing were happening.
A. of which
B. which
C. of whom
D. who
解析：解析:
A. What
B. What a
C. How
D. How much
A. After
B. Although
C. As
D. Before
解析：解析:er (在什么之后);although (尽管);as (因为);before (在……之前)解析:because和so不能同时用 as和so不能连用
