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【判断题】
在测量子镜片顶点高度时，当双眼测量结果相差2mm以上，以主眼的测量高度为子镜片顶点高度。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】He asked me ________.
A.
if she will come
B.
how many books I want to have
C.
they would help me to do it
D.
how it happened
【多选题】经营者以( )或者其他方式表明商品或者服务的质量状况,应当保证其提供的商品或服务的实际质量与表明的质量状况相符。
A.
合同
B.
广告
C.
产品说明
D.
实物样品
E.
口头介绍
【简答题】He is a ____ of the United Kingdom.
【简答题】He was passionate for art, but he went through tremendous pain—pain of poverty and misunderstandin6．He was passionate for art, but he went through tremendous pain—pain of poverty and misunderstanding.
【单选题】He walked to the office and then ____ the door.
A.
Knocked
B.
Hit
C.
Answer
D.
Knocked at
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