考查副词，文中表示“他说现在较少开车，更多搭乘地铁”，用比较级形式，故填more。

【46题详解】

考查副词。句意：对于很多人来说，骑自行车最大的好处是骑行很容易，然而，很多共享单车没有设置在方便的地方。文中表示转折，故填However。

【47题详解】

考查冠词。句意：一部智能手机就可以注册。泛指“一部智能手机”，smartphone的首字母发音是辅音，所以填不定冠词a。

【50题详解】

考查副词。文中表示“它们完全挡住了人行道”，该空修饰动词block，用副词，所以填completely。

【点睛】此题中的难点小题9，常用结构的考查。容易与because弄混，because后接句子，而because of后面接名词或是相当于名词的动名词。同学们一定要注意平时多积累常用结构。

【黑龙江省鹤岗市第一中学2019届高三上学期第二次月考】阅读下面材料，在空白处填入适当的内容(1个单词) 或括号内单词的正确形式。

In our daily life, we often meet with difficulties. Some people do nothing ____71____ wait, while others try hard to conquer(战胜)____72____. Personally, we should face with difficulties positively.

My memory drew me back to five years ago when I was___73___middle school student. At that time, I had great trouble studying English. First of all, I felt it hard to memorize English ____74____(word). Besides I didn’t dare to say anything in class when I____75____(ask) questions. What annoyed me most was that I failed exams____76____ (constant). I was about to give up____77____ my English teacher found my problems. He encouraged me and gave me some good advice. So ____78____(inspire) by him, I decided to settle my problems. Following his advice, I made progress gradually. I owe my achievement____79____the teacher whose encouragement was of great ____80____