简答题Contactless, Mobile and Contact are the three ways of paying according to the video.简答题Grammatical cohesion contains referring, substitution, collocation and conjunction.简答题Undertaking tasks will impose yourself great pressure. A、Off your head B、Out of your ability C、Over your head D、On your ability简答题Countries may also find their currency is ________ in foreign markets. A、depressing B、depreciation C、depreciating D、depression简答题The health problem caused by poor sanitary situation in this country is really . A、In dilemma B、in dire straits. C、in vain D、in public简答题Ninety-nine per cent of primary pupils now have hands-on experience of computers. A、hands-in B、strong C、practical D、manual简答题Prosecutors have widened a securities-fraud investigation. Securities here means________. A、Shares in company B、The measures to protects places or people. C、A feeling of being safe D、Collaterals简答题Ellipse is one type of Vocabulary cohesion.简答题On top of that the company will help anyone who wants to follow an outside course. A、By the way B、The priority thing is that C、In addition D、Firstly简答题Magnetic cards are the widely believed way for credit cards to protect credit information.