I will go to the science palace to morrow ____ it doesn’t rain heavily.
| A．as if | B．in case | C．even if | D．so long as |
I am quite ______ that the new cosmetics, whether it appears in the form of tablet, capsule, powder or injection, will _______ through the country among young ladies.
| A．optimistic about; sweep | B．optimistic ; sweep |
| C．pessimistic; spread | D．pessimistic about; spread |
The manager of the travel agency was trying hard to figure out how he would attract more customers _____ an extraordinary idea _____ his mind and he immediately knew what to do.
| A．when; flashed across | B．as; crossed | C．when; hit | D．before; struck |
It will be some years before some foreign doctors change the impression they have _____Chinese medicine, _____, in their opinion, is nothing but raw herbs and not effective at all in treating diseases.
| A．for; which | B．on; what | C．to; that | D．on; which |
It was very difficult to rescue the drowning boy in the sea. One moment the rescue workers _______him but the next moment they _____.
| A．caught sight of; lost | B．caught the sight of; lost his sight |
| C．caught sight of; lost sight of him | D．caught the sight of; lost their sight of him |
________confidence and the necessary equipmnt, they failed to rescue the 42 miners trapped in the coal mine.
| A．Lack of | B．Lacking of | C．Lacking | D．Having lacked |