Forensic experts have__ samples from the spot to __ whether there are any traces of explosives
A. picked... ensure
B. marks.... gather
C. left.....verify
D. released....detection
সঠিক উত্তরঃ
A.
picked... ensure
Explanation:


Related Questions (Any University/Year)
- Despite hard, he failed the examination.
- By the time I'd reached the bottom of the mountain, I _______extremely tired.
- Read the passage and then write the antonym or synonym of the words as directed below.Dreams have fascinated philosophers for thousands of years, but only recently have dreams been subjected to empirical research and scientific studies. Chances are that one has often found oneself puzzling over the content of dream, or perhaps one has wondered why he/she dreams at all. While many theories have been proposed about the reason and purpose of dreams, no consensus has emerged. Considering the time, we spend in a dreaming state, the fact that researchers have not yet understood the purpose of dreams may seem baffling(a) fascinate (antonym); (b) subjected (synonym); (c) empirical (antonym); (d) chances (synonym); (e) puzzling (antonym); (f) content (synonym); (g) perhaps (antonym); (h) wonder (antonym); (i) theories (synonym);(j) reason (antonym); (k) consensus (antonym); (l) emerge (antonym); (m) consider (synonym); (n) fact (antonym).
- Choose the correct sentence :
- A new house ---- at the corner of the road .
- Fill in the blank. By the middle of the 21st century, the computer____ necessary in every home.
- It's time you ___ your mistakes.
- Choose the proper option to fill up the blanks. I prefer ___ what I like even though it ___ not having much money
- These problems first ----- in big cities .
- Mandela ___ to life imprisonment in 1964.
- Fill in the blank with suitable word:An ideal teacher knows the art of _____.
- Read the text and fill in the gaps with the correct form of verbs as per subject and context.Microplastic particles (a) —— (accumulate) in riverbed sediments that (b) —— (enter) Bangladeshbthrough India's Ganges river, (c) —— (reveal) a recent study published in Elsevier's Ecotoxicology and Environmental Safety Journal. This study (d) —— (mark) the first in Bangladesh to underscore the serious threat (e) —— (pose) by microplastics in transboundary rivers to the marine ecosystem. It shows the role of rivers in transporting these microplastics into the marine system, (f) —— (create) a potential threat to land, water, and human health. The 330-kilometre journey from the Ganges river basin to the Meghna estuary (g) —— (witness) the deposition of microplastics in shoreline water and deep sediments. According to the World Health Organization (WHO), microplastics are an "emerging" pollutant in the environment which is a serious public health concern. Exposure to microplastic particles has human health implications when they enter the human body through the environment, food, water and air. Moreover, microplastics in water (h) —— (float) or sink based on their concentration, duration and degradation rate of the material. Chemicals associated with microplastics (i) —— (be) also hazardous to aquatic life. The research (j) —— (cover) 10 districts in Bangladesh, collecting a total of 180 water and sediment samples from 30 sampling points (k) —— (stretch) from Chapainawabganj to Chandpur's Meghna estuary. The study (l) —— (reveal) that the highest concentration of microplastics (m) —— (detect) near the Hardinge Bridge in Kushtia, while the lowest was at Premtoli Ghat in Rajshahi. The average microplastic concentrations in upstream and downstream water (n) —— (record) at 24 to 50 particles per litre and 26 to 64 particles per litre, respectively.
- You had better _______ harder, or you will fail the test.
- I am looking forward to (receive) your letter.
- The dog was ____ in front of the door.
- Rana ____ to Dhaka just a few months age.
- You may --- culture shock by getting --- to the new ways of life.
- The number of days in a month _____ usually 30.
- This book..... to my uncle.
- —— more help, I could call my neighbor.
- I work in an office from 9 AM to 5 PM ___in my office at the moment, I ___ in a coffee shop.
- Stay here untill help______.
- The construction of the bridge ---- if the engineers falls ill.
- Uneasy lies the head that__________ a _________.
- He_____ Dhaka on time. Choose the right word/ phrase for the gap.
- Read the text and fill in the gaps with the correct form of verbs as per subject and context.Most of the people who (a) _____ (appear) most often and most gloriously in the pages of history (b) _____ (be) great conquerors and generals and soldiers, whereas the people who really (c) _____ (help) civilization forward are often never (d) _____ (mention) at all. We do not know who first (e) _____ (set) a broken leg, or launched a sea worthy boat or (f) _____ (calculate) the length of a year, but we (g) _____ (know) all about the killers and destroyers. People think a great deal of them, so much so that on all the highest pillars in great cities of the world you (h) _____ (find) figures of a conqueror or a general or a soldier. And I think that most people (i) _____ (believe) that the greatest countries are those that (j) _____ (beat) in the battle the greatest number of countries and ruled over them as conquerors.
- Identify the incorrect underline part of the sentence: He is looking forward to go Germany after finishing his studies at Bangladesh.
- A review of the patient's eating habits showed that her diet was_in vitamin B.
- The president had a ______ of ______ around him when he makes public appearances.
- The boy running aimlessly as if he ____ mad
- The news ...................... always bad nowadays.
- Nature finds to ensure the survival of______.
- Choose the correct form of verb : Rahela --- her hand when she was cooking dinner.
- Neither Rina nor her parents----- to live outside Dhaka.
- I am looking for someone who ______ play the piano.
- Choose the correct sentence :
- The criminal____for murder
- I wish I____dead.
- Many essential matters — in the meeting.
- It is high time we (give up) smoking.