搜题请搜索小程序“爱下问搜题”
问题 单项选择题

施工现场中常见的木工机械主要是圆盘锯和平面刨(手压刨)。下列关于平面刨的使用要求，表述错误的是( )。

A．应装开关箱，开关箱距设备不大于3m
B．刨料时，应双手持料，按料时应该使用工具
C．长度超过2m的木料，应由两人配合操作
D．刨料前要仔细检查木料，遇木节、逆茬时，要适当加快推进速度

答案

参考答案：D

单项选择题

建筑工程面积每5000平方米，其照片不少于（）张。

A、10张

B、20张

C、30张

D、50张
查看答案
单项选择题

Egyptian wine has an extensive history within the history of Egyptian civilization. Grapes were not (1) to the landscape of Egypt, rather the vines themselves are (2) to have been imported from the Phoenicians, (3) the actual origins remain in (4) . What is known, is that (5) the third millennium BC, Egyptian kings of the first (6) had extensive wine cellars, and wine was used extensively in the temple ceremonies. The main (7) of wine in Egypt, took place between the king, nobles, and the priests in temple ceremonies, and is (8) by numerous painted relief’s, and other (9) evidence. The vineyards of ancient Egypt, were quite different from the modern methods of wine making today. (10) viticulture ( or wine making), ceased to (11) an exclusively ceremonial purpose, the Egyptians began to experiment with simple structures for their vines to train on, (12) found a way to train their vines so they were easy low (13) bushes, and found ways for the soil to (14) more moisture for the vines. Egyptian wine making experiments included the use of different wine presses, adding heat to the must ( the grape juice ready for fermentation) (15) make the wine sweet, and differences in vat types and materials. The (16) finished product of wine, was poured through a cloth filter, and then into earthenware jars, (17) they would be sealed with natural tar and left to (18) . The Egyptians kept accurate records of their vintages, and (19) of their wines, each jar of wine was clearly (20) with it’s own vintage, and quality.

15（）

A. rather than

B. but

C. and

D. in order to
查看答案