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【多选题】
电气工程施工图中某处标注为BLX-3×4-SC20-WC,以下说法正确的是( )。A.
BLX表示铝芯橡皮绝缘导线
B.
BLX表示铜芯塑料绝缘导线
C.
3×4表示3根截面积为4mm2的导线
D.
3×4表示4根截面积为3mm2的导线
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【单选题】You will hear 8 statements. The statements will be spoken twice. After each statement, there will be a pause of 10 seconds. During the pause, you’ll read the 4 choices marked A, B, C and D. You should...
A.
She likes English.
B.
English is difficult for her.
C.
She doesn't study English.
D.
She doesn't like English.
【简答题】Task 4 (10%) Directions: In this task there is a short passage with five blanks. The passage will be spoken twice. During the second reading, there will be a pause after each blank. During the pause y...
【单选题】CONVERSATIONS ( 2017 年 TEM4 Listening ) In this section you will hear two conversations. At the end of each conversation, five questions will be asked about what was said. Both the conversation and th...
A.
It can’t read data from the flash drive.
B.
It has wiped the data from the flash drive.
C.
The files stored in it have got lost.
D.
The files in it can’t be opened.
【单选题】土的抗剪强度,下列说法正确的是()
A.
土体中发生剪切破坏的平面，为最大剪应力作用面
B.
土体中发生剪切破坏的平面，其剪应力等于抗剪强度
C.
土体中某点做一平面，若该面积上的σ和τ在应力坐标上位于两条强度线之间，则表示该点处于弹性状态，未达到极限平衡
D.
剪切破坏面与大主应力作用面夹角为45°-Φ/2
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