题目内容

The assignment operator = is left-associative.

A. false
B. true

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The order of the precedence (from high to low) of the operators binary +, *, &&, ||, ^ is:

A. *, +, ^, ||, &&
B. ^, ||, &&, *, +
C. *, +, &&, ||, ^
D. *, +, ^, &&, ||

Task 1 Fill in the blanks with the proper form of the words given.4. Vegetables, eggs and fruits __________(sell) in this shop.5. __________ the magazine __________(can take)out of the library?6. The case __________________(investigate) at that time.7. When __________ the building over there __________(finish)?8. I was told that the aircraft ________________(redesign)already.

为什么马克思说,科学技术是历史发展的火车头?

Some of my American friends are looking forward to _____my home town.

A. visiting
B. be visiting
C. visit
D. having visit

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