用所给单词的正确形式填空。 1. —Can she______ ? —Yes,

情景对话

—Mary,do you want to see the pictures of my holiday in Italy?

—__1__

—Ah,it was great.The food was great.The wine was great! But the traffic was terrible!  

—__2__

—Those Italians are crazy drivers! I don't want to think about it!

—OK,OK.__3__

—Yes,so here's a picture of the Tower of Pisa.

-—How nice!

—It was raining that day,but it was still wonderful.We climbed to the top!

—__4__

—That's a photo of the Amo River.That's the "Ponte Vecchio",the old bridge.

—__5__

—It was very interesting.There were beautiful old buildings in the city,and lots of wonderful museums.

—That's nice.

A. And what's this?

B. Why was it so bad?

C. Yes,it was wonderful.

D. What was Florence like?

E. Let's return to the good parts.

F. Sure,what was your holiday like?

G. Well,did you like your hotel there?

学习的认知观与行为主义观的不同点在于（）。

A、学习的实质

B、学习者的特征

C、研究方式

D、教师的角色

甲向乙订购15万元货物，双方约定：“乙收到甲的5万元定金后，即应交付全部货物。”合同订立后，乙在约定时间内只收到甲的2万元定金。下列说法哪一个是正确的

A．实际交付的定金少于约定数额的，视为定金合同不成立

B．实际交付的定金少于约定数额的，视为定金合同不生效

C．实际交付的定金少于约定数额的，视为定金合同的变更

D．当事人约定的定金数额超过合同标的额20%，定金合同无效

在建筑物外墙上镶贴的同类饰面砖，每组可有一个试样的粘结强度小于0.4MPa，但不应小于（）MPa。

A、0.1

B、0.2

C、0.3

D、0.4

焊料焊接形成流焊的原因，不包括

A．砂料包埋不当

B．焊媒摊放面太广

C．火焰掌握不好

D．焊料放得位置不准

E．焊煤质量差