|
课时作业(二十一) [必修5 Unit 1 Great scientists] [限时：30分钟] Ⅰ.多项选择 1．The traffic slowed down because of the heavy snow in Yushu county, presenting a new ________ to the recovery from the earthquake. A．suffering B．disaster C．challenge D．damage 2．Helen devoted herself ________to her research and became a top scientist in the field of applied physics. A．seriously B．extremely C．entirely D．strictly 3．Take care during the holidays! Drinking too much can ________ heart disease and cause high blood pressure. A．contribute to B．relate to C．attend to D．devote to 4．As nobody here knows what is wrong with the machine，we must send for an engineer to________the problem. A．handle B．raise C．face D．present 5．We were all very much attracted by the beautiful scenery________we set foot in the village. A．quickly B．suddenly C．finally D．immediately 6．You should ________ the whole affair, but don't judge it only by your experience. | 
